Q: What are the prime factors of the number 1,370,624?

 A: 2, 2677

Why are those the prime factors of the number 1,370,624?

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 1,370,624

1,370,624
Factor Arrows
2685,312
Factor Arrows
2342,656
Factor Arrows
2171,328
Factor Arrows
285,664
Factor Arrows
242,832
Factor Arrows
221,416
Factor Arrows
210,708
Factor Arrows
25,354
Factor Arrows
22,677

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, 2677

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 2 x 2 x 2,677 = 1,370,624

This can also be written as 29 x 2,6771 = 1,370,624

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


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