What number has exactly 5 factors?
Explanation: The only two numbers in the range (1, 100) having exactly 5 prime factors are 16 and 81.
What are the factors of 1 and 20?
Table of Factors and Multiples
| Factors | Multiples | |
|---|---|---|
| 1, 2, 3, 6, 9, 18 | 18 | 126 |
| 1, 19 | 19 | 133 |
| 1, 2, 4, 5, 10, 20 | 20 | 140 |
| 1, 3, 7, 21 | 21 | 147 |
How many factors has 5?
two factors Factors of 5 are the natural numbers that can divide the actual number, evenly. 5 is the third prime number when arranged in ascending order. Therefore, 5 will have only two factors, 1 and 5. If we divide 5 by any other integer, then the remainder will be a non-zero positive integer.
Which is the smallest number that has 5 factors?
16, 81, 625, 2401, 14641… 16 is the smallest number with exactly 5 divisors. 12 is the smallest number with at least 5 proper divisors. 2310 is the smallest number with five distinct prime factors.
What are the factors of 20?
Factors of 20: 1, 2, 4, 5, 10 and 20.
What is a composite number with 5 factors?
2 is prime. Example 2: Is the number 9 prime or composite? Solution: The factors of 9 are 1 x 9, 3 x 3. 9 is composite….Definitions.
| factors of 2: | 1 x 2 | 2 is prime |
|---|---|---|
| factors of 4: | 1 x 4, 2 x 2 | 4 is composite |
| factors of 5: | 1 x 5 | 5 is prime |
| factors of 6: | 1 x 6, 2 x 3 | 6 is composite |
| factors of 7: | 1 x 7 | 7 is prime |
What’s the multiples of 5?
The multiples of 5 include 5, 10, 15, 20, 25, 30, 35, 40,…. The multiples of 10 include 10, 20, 30, 40, 50, 60,…. Thus, the common multiples of 5 and 10 are 10, 20, 30, 40,…. That means all the multiples of 10 will be the common multiples for 5 and 10.
What are factors of 20?
Factors of 20: 1, 2, 4, 5, 10 and 20.
How many factors do 20 have?
The factors of 20 are 1, 2, 4, 5, and 20.
Is the smallest number that has 5 factors How many factors does n 1 have?
1 Answer. A number that has 5 factors has to be of the form x^4 where 'x' is a prime number. Therefore, N − 1 = 15.
What is the smallest two digit number with exactly 5 unique factors?
The smallest number is 256, with factors 1, 2, 4, 8, 16, 32, 64, 128, 256. The smallest is 36 with factors 1, 2, 3, 4, 6, 9, 12, 18, 36. So the answer is 36. If you want proper factors (excluding the number itself) the answer is 48, and I gave you the formula to calculate this.
What are the first 5 multiples of 20?
The first 10 multiples of 20 are 20, 40, 60, 80, 100, 120, 140, 160, 180, and 200.
What are the factors below 20?
Hence, all the factors of 20 are 1, 2, 4, 5, 10, and 20.
How many prime numbers are there between 1 and 20?
8 prime numbers There are 8 prime numbers under 20: 2, 3, 5, 7, 11, 13, 17 and 19. The first 10 prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29.
What are the multiples of 20?
The first 10 multiples of 20 are 20, 40, 60, 80, 100, 120, 140, 160, 180, and 200.
What is a factor tree for 20?
0:001:27Factors of 20 – YouTubeYouTube
How many factors are there in 1?
one factor The number 1 has only one factor which is 1 and 1 is a common factor to all numbers.
What is the smallest number with 6 factors?
24 For example, for n=6, f(6)=24, because 24 has the 6 distinct factors {2,3,4,6,8,12}, and 24 is the smallest integer with 6 factors.
Which number is the smallest 5 digit number write that number into the standard form?
The smallest five-digit number = 10000.
What are the factors to 20?
Factors of 20: 1, 2, 4, 5, 10 and 20.
How do you find the first 5 multiples of a number?
0:525:01How to write first 5 multiples – YouTubeYouTube
What are all factors of 20?
Factors of 20: 1, 2, 4, 5, 10 and 20.
What are the 20 factors?
Hence, all the factors of 20 are 1, 2, 4, 5, 10, and 20.
Which of the following is the product of all prime numbers between 1 and 20?
Answer: 9699690 is the product of all prime numbers between 1-20 .
What are the 5 multiples of 20?
The first 10 multiples of 20 are 20, 40, 60, 80, 100, 120, 140, 160, 180, and 200.
What are prime numbers of 20?
There are 8 prime numbers under 20: 2, 3, 5, 7, 11, 13, 17 and 19.
How do you find factors?
How to Find Factors of a Number?
- Find all the numbers less than or equal to the given number.
- Divide the given number by each of the numbers.
- The divisors that give the remainder to be 0 are the factors of the number.
How many factors does 23 have?
two factors The factors of 23 are 1 and 23. Since 23 is a prime number, therefore, it has only two factors. Factor pairs of the number 23 are the natural numbers but not a fraction or decimal number.
What is the factor of 12?
factor, in mathematics, a number or algebraic expression that divides another number or expression evenly—i.e., with no remainder. For example, 3 and 6 are factors of 12 because 12 ÷ 3 = 4 exactly and 12 ÷ 6 = 2 exactly. The other factors of 12 are 1, 2, 4, and 12.
What is the greatest 5 digit number in the form of its prime factors?
Largest five digit number is 99999.