Q: What are the prime factors of the number 65,706,624?

 A: 2, 3, 57037

Why are those the prime factors of the number 65,706,624?

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 65,706,624

65,706,624
Factor Arrows
232,853,312
Factor Arrows
216,426,656
Factor Arrows
28,213,328
Factor Arrows
24,106,664
Factor Arrows
22,053,332
Factor Arrows
21,026,666
Factor Arrows
2513,333
Factor Arrows
3171,111
Factor Arrows
357,037

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, 57037

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 57,037 = 65,706,624

This can also be written as 27 x 32 x 57,0371 = 65,706,624

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


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