Q: What are the prime factors of the number 69,326,646?

 A: 2, 3, 17, 23, 29, 1019

Why are those the prime factors of the number 69,326,646?

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 69,326,646

69,326,646
Factor Arrows
234,663,323
Factor Arrows
311,554,441
Factor Arrows
17679,673
Factor Arrows
2329,551
Factor Arrows
291,019

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, 17, 23, 29, 1019

We can check our work by multiplying all of the prime factors together: 2 x 3 x 17 x 23 x 29 x 1,019 = 69,326,646

This can also be written as 21 x 31 x 171 x 231 x 291 x 1,0191 = 69,326,646

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


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