Q: What are the prime factors of the number 1,306,700?

 A: 2, 5, 73, 179

Why are those the prime factors of the number 1,306,700?

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 1,306,700

1,306,700
Factor Arrows
2653,350
Factor Arrows
2326,675
Factor Arrows
565,335
Factor Arrows
513,067
Factor Arrows
73179

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, 5, 73, 179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 73 x 179 = 1,306,700

This can also be written as 22 x 52 x 731 x 1791 = 1,306,700

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


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