Q: What are the prime factors of the number 64,475,810?

 A: 2, 5, 7, 71, 12973

Why are those the prime factors of the number 64,475,810?

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 64,475,810

64,475,810
Factor Arrows
232,237,905
Factor Arrows
56,447,581
Factor Arrows
7921,083
Factor Arrows
7112,973

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, 71, 12973

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 71 x 12,973 = 64,475,810

This can also be written as 21 x 51 x 71 x 711 x 12,9731 = 64,475,810

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


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