Q: What are the prime factors of the number 1,357,376?

 A: 2, 127, 167

Why are those the prime factors of the number 1,357,376?

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 1,357,376

1,357,376
Factor Arrows
2678,688
Factor Arrows
2339,344
Factor Arrows
2169,672
Factor Arrows
284,836
Factor Arrows
242,418
Factor Arrows
221,209
Factor Arrows
127167

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, 127, 167

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 127 x 167 = 1,357,376

This can also be written as 26 x 1271 x 1671 = 1,357,376

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


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