Q: What are the prime factors of the number 22,078,028?

 A: 2, 7, 112643

Why are those the prime factors of the number 22,078,028?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 22,078,028

22,078,028
Factor Arrows
211,039,014
Factor Arrows
25,519,507
Factor Arrows
7788,501
Factor Arrows
7112,643

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 7, 112643

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 112,643 = 22,078,028

This can also be written as 22 x 72 x 112,6431 = 22,078,028

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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