Q: What are the prime factors of the number 699,008?

 A: 2, 43, 127

Why are those the prime factors of the number 699,008?

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 699,008

699,008
Factor Arrows
2349,504
Factor Arrows
2174,752
Factor Arrows
287,376
Factor Arrows
243,688
Factor Arrows
221,844
Factor Arrows
210,922
Factor Arrows
25,461
Factor Arrows
43127

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, 43, 127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 43 x 127 = 699,008

This can also be written as 27 x 431 x 1271 = 699,008

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


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