Q: What are the prime factors of the number 1,307,008?

 A: 2, 10211

Why are those the prime factors of the number 1,307,008?

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 1,307,008

1,307,008
Factor Arrows
2653,504
Factor Arrows
2326,752
Factor Arrows
2163,376
Factor Arrows
281,688
Factor Arrows
240,844
Factor Arrows
220,422
Factor Arrows
210,211

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, 10211

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 10,211 = 1,307,008

This can also be written as 27 x 10,2111 = 1,307,008

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


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