Q: What are the prime factors of the number 529,396?

 A: 2, 7, 37, 73

Why are those the prime factors of the number 529,396?

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 529,396

529,396
Factor Arrows
2264,698
Factor Arrows
2132,349
Factor Arrows
718,907
Factor Arrows
72,701
Factor Arrows
3773

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, 7, 37, 73

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 37 x 73 = 529,396

This can also be written as 22 x 72 x 371 x 731 = 529,396

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


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