Q: What are the prime factors of the number 252,220,668?

 A: 2, 3, 7, 19, 23, 6871

Why are those the prime factors of the number 252,220,668?

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 252,220,668

252,220,668
Factor Arrows
2126,110,334
Factor Arrows
263,055,167
Factor Arrows
321,018,389
Factor Arrows
73,002,627
Factor Arrows
19158,033
Factor Arrows
236,871

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, 7, 19, 23, 6871

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 19 x 23 x 6,871 = 252,220,668

This can also be written as 22 x 31 x 71 x 191 x 231 x 6,8711 = 252,220,668

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


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