Q: What are the prime factors of the number 437,136?

 A: 2, 3, 7, 1301

Why are those the prime factors of the number 437,136?

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 437,136

437,136
Factor Arrows
2218,568
Factor Arrows
2109,284
Factor Arrows
254,642
Factor Arrows
227,321
Factor Arrows
39,107
Factor Arrows
71,301

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, 7, 1301

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 1,301 = 437,136

This can also be written as 24 x 31 x 71 x 1,3011 = 437,136

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


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