Q: What are the prime factors of the number 222,251,304?

 A: 2, 3, 11, 37, 61, 373

Why are those the prime factors of the number 222,251,304?

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 222,251,304

222,251,304
Factor Arrows
2111,125,652
Factor Arrows
255,562,826
Factor Arrows
227,781,413
Factor Arrows
39,260,471
Factor Arrows
11841,861
Factor Arrows
3722,753
Factor Arrows
61373

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, 11, 37, 61, 373

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 11 x 37 x 61 x 373 = 222,251,304

This can also be written as 23 x 31 x 111 x 371 x 611 x 3731 = 222,251,304

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


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