Q: What are the prime factors of the number 690,736?

 A: 2, 23, 1877

Why are those the prime factors of the number 690,736?

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 690,736

690,736
Factor Arrows
2345,368
Factor Arrows
2172,684
Factor Arrows
286,342
Factor Arrows
243,171
Factor Arrows
231,877

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, 23, 1877

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 23 x 1,877 = 690,736

This can also be written as 24 x 231 x 1,8771 = 690,736

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


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