1,2,4,5,10,20
2 and 5 are prime.
61 is already prime and is its own prime factor.
List all the factors. Select the ones that are prime numbers.
The prime factors of 20 are: 2 and 5.
Its factors are itself and one because 37 is a prime number
Any multiple of 20 includes the prime factors of 20.
The prime factors of 20 are 2, 2, and 5.
The prime factors of 20 are 2 and 5. The prime factors of 30 are 2, 3 and 5.
Factors for 20 are: 1, 2, 4, 5, 10, 20 Prime Factors: 2, 5 sum of prime factors = 2 + 5 = 7
5 is a prime number. It is only evenly divisible by itself and one. The factors of 20 are: 1, 2, 4, 5, 10, and 20. The prime factors of 20 are: 2 and 5.
The prime factors are: 2 x 2 x 5
The factors of 20 are: 1, 2, 4, 5, 10, and 20.The prime factors of 20 are: 2 and 5.The factors of 50 are: 1, 2, 5, 10, 25, and 50.The prime factors of 50 are: 2 and 5.
The factors of 18 are: 1, 2, 3, 6, 9, and 18.The prime factors of 18 are: 2 and 3.The factors of 20 are: 1, 2, 4, 5, 10, and 20.The prime factors of 20 are: 2 and 5.