Prime factorization of 28

Here you will see step by step solution of prime factorization of 28, how to find factors of 28, you will see all factors of 28, how many factors of 28 has? Factors of 28 are 1, 2, 4, 7, 14, 28, we can see that 28 has 6 factor and sum of all factors is 56.

  • All Factors of 28: 1, 2, 4, 7, 14, 28
  • Prime Factors of 28: 2 × 2 × 7
  • Prime Factorization of 28: 22 × 71
  • Sum of Factors of 28: 56
  • Is 28 prime number: No

How to find factors of 28 by Division Method?

To find the factors of 28 by division method, we need the find the all numbers between 1 to 28, which divide 28 with 0 remainder, then the number is factor of 28.

Pair factors of 28

  • 28/1 = 28 [ 1 × 28 (1, 28) 1 and 28 is pair factor of 28]
  • 28/2 = 14 [ 2 × 14 (2, 14) 2 and 14 is pair factor of 28]
  • 28/4 = 7 [ 4 × 7 (4, 7) 4 and 7 is pair factor of 28]
  • 28/7 = 4 [ 7 × 4 (7, 4) 7 and 4 is pair factor of 28]
  • 28/14 = 2 [ 14 × 2 (14, 2) 14 and 2 is pair factor of 28]
  • 28/28 = 1 [ 28 × 1 (28, 1) 28 and 1 is pair factor of 28]

As we checked numbers between 1 to 28 that are not leaving any remainder, hence we can say factors of 28 is 1, 2, 4, 7, 14, 28.

Also note that, in exponential form prime factorization of 28 is written as 22 × 71 and it is a composite number.

Prime Factorization Calculator

We hope you understand that how to find factors of 28. Let's check some other examples of factors.

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