Q: What are the prime factors of the number 22,072,528?

 A: 2, 17, 19, 4271

Why are those the prime factors of the number 22,072,528?

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 22,072,528

22,072,528
Factor Arrows
211,036,264
Factor Arrows
25,518,132
Factor Arrows
22,759,066
Factor Arrows
21,379,533
Factor Arrows
1781,149
Factor Arrows
194,271

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, 17, 19, 4271

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 17 x 19 x 4,271 = 22,072,528

This can also be written as 24 x 171 x 191 x 4,2711 = 22,072,528

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


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