Q: What are the prime factors of the number 64,610,450?

 A: 2, 5, 19, 23, 2957

Why are those the prime factors of the number 64,610,450?

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 64,610,450

64,610,450
Factor Arrows
232,305,225
Factor Arrows
56,461,045
Factor Arrows
51,292,209
Factor Arrows
1968,011
Factor Arrows
232,957

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, 19, 23, 2957

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 19 x 23 x 2,957 = 64,610,450

This can also be written as 21 x 52 x 191 x 231 x 2,9571 = 64,610,450

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


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