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The prime factors of 28 are 2 and 7. Their sum is 9.

Q: Find the sum of the prime factors of 28?

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28.

2 3 5 7 11 Sum: 28 Product: 2310

No its 6 factors are 1,2,4,7,14,and 28.

To find the GCF, you first need to break the numbers down into their prime factors: 28 = 2x2x7 20 = 2x2x5 40 = 2x2x2x5 The next step is to find any common prime factors. In this case, all three numbers have two 2s as prime factors. Multiply these and you get 4. Therefore the GCF of 28, 20 and 40 is 4.

28

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28.

To find the prime factors of 28 start with any factor pair of 28 and keep factoring the composite factors until all the factors are prime. 28 2 x 14 2 x 2 x 7 The three prime factors of 28 are 2, 2, 7.

The prime factors of 28 are 2 and 7. The prime factors of 42 are 2, 3, and 7.

Prime factors of 256=2x2x2x2x2x2x2x2 (or 28)

prime factors of 28= 2,7

The sum of the first five prime numbers is 28. The sum of the cubes of the first three prime numbers is 160. The average of 28 and 160 is 94.

28

The factors of 28 are: 1 2 4 7 14 28 The prime factors are: 2 x 2 x 7

2 3 5 7 11 Sum: 28 Product: 2310

The first five prime numbers are 2,3,5,7,11. The sum of the first five prime numbers is 28.The sum is: 2+3+5+7+11 = 28

The prime factorization of 28 is 2 * 2 * 7 or 2^2 * 77x2x2

The factors of 28 are: 1, 2, 4, 7, 14, and 28.The prime factors of 28 are: 2 and 7.The factors of 32 are: 1, 2, 4, 8, 16, and 32.The only prime factor of 32 is: 2.