Q: What are the prime factors of the number 3,635,392?

 A: 2, 43, 1321

Why are those the prime factors of the number 3,635,392?

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 3,635,392

3,635,392
Factor Arrows
21,817,696
Factor Arrows
2908,848
Factor Arrows
2454,424
Factor Arrows
2227,212
Factor Arrows
2113,606
Factor Arrows
256,803
Factor Arrows
431,321

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, 43, 1321

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 43 x 1,321 = 3,635,392

This can also be written as 26 x 431 x 1,3211 = 3,635,392

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


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