Q: What are the prime factors of the number 64,653,504?

 A: 2, 3, 19, 37, 479

Why are those the prime factors of the number 64,653,504?

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 64,653,504

64,653,504
Factor Arrows
232,326,752
Factor Arrows
216,163,376
Factor Arrows
28,081,688
Factor Arrows
24,040,844
Factor Arrows
22,020,422
Factor Arrows
21,010,211
Factor Arrows
3336,737
Factor Arrows
1917,723
Factor Arrows
37479

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, 19, 37, 479

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 3 x 19 x 37 x 479 = 64,653,504

This can also be written as 26 x 31 x 191 x 371 x 4791 = 64,653,504

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


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