Q: What are the prime factors of the number 45,372,528?

 A: 2, 3, 127, 827

Why are those the prime factors of the number 45,372,528?

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 45,372,528

45,372,528
Factor Arrows
222,686,264
Factor Arrows
211,343,132
Factor Arrows
25,671,566
Factor Arrows
22,835,783
Factor Arrows
3945,261
Factor Arrows
3315,087
Factor Arrows
3105,029
Factor Arrows
127827

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, 3, 127, 827

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 127 x 827 = 45,372,528

This can also be written as 24 x 33 x 1271 x 8271 = 45,372,528

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


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