Q: What are the prime factors of the number 695,556?

 A: 2, 3, 139

Why are those the prime factors of the number 695,556?

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 695,556

695,556
Factor Arrows
2347,778
Factor Arrows
2173,889
Factor Arrows
357,963
Factor Arrows
319,321
Factor Arrows
139139

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, 139

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 139 x 139 = 695,556

This can also be written as 22 x 32 x 1392 = 695,556

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


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