Q: What are the prime factors of the number 16,133,572?

 A: 2, 7, 13, 127, 349

Why are those the prime factors of the number 16,133,572?

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 16,133,572

16,133,572
Factor Arrows
28,066,786
Factor Arrows
24,033,393
Factor Arrows
7576,199
Factor Arrows
1344,323
Factor Arrows
127349

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, 7, 13, 127, 349

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 13 x 127 x 349 = 16,133,572

This can also be written as 22 x 71 x 131 x 1271 x 3491 = 16,133,572

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


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