Q: What are the prime factors of the number 64,056,020?

 A: 2, 5, 7, 67, 6829

Why are those the prime factors of the number 64,056,020?

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 64,056,020

64,056,020
Factor Arrows
232,028,010
Factor Arrows
216,014,005
Factor Arrows
53,202,801
Factor Arrows
7457,543
Factor Arrows
676,829

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, 5, 7, 67, 6829

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 67 x 6,829 = 64,056,020

This can also be written as 22 x 51 x 71 x 671 x 6,8291 = 64,056,020

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


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