Q: What are the prime factors of the number 64,045,396?

 A: 2, 47, 443, 769

Why are those the prime factors of the number 64,045,396?

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 64,045,396

64,045,396
Factor Arrows
232,022,698
Factor Arrows
216,011,349
Factor Arrows
47340,667
Factor Arrows
443769

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, 47, 443, 769

We can check our work by multiplying all of the prime factors together: 2 x 2 x 47 x 443 x 769 = 64,045,396

This can also be written as 22 x 471 x 4431 x 7691 = 64,045,396

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


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