Q: What are the prime factors of the number 1,676,376?

 A: 2, 3, 13, 199

Why are those the prime factors of the number 1,676,376?

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 1,676,376

1,676,376
Factor Arrows
2838,188
Factor Arrows
2419,094
Factor Arrows
2209,547
Factor Arrows
369,849
Factor Arrows
323,283
Factor Arrows
37,761
Factor Arrows
32,587
Factor Arrows
13199

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, 13, 199

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 13 x 199 = 1,676,376

This can also be written as 23 x 34 x 131 x 1991 = 1,676,376

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


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