Q: What are the prime factors of the number 222,440,544?

 A: 2, 3, 23, 33581

Why are those the prime factors of the number 222,440,544?

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 222,440,544

222,440,544
Factor Arrows
2111,220,272
Factor Arrows
255,610,136
Factor Arrows
227,805,068
Factor Arrows
213,902,534
Factor Arrows
26,951,267
Factor Arrows
32,317,089
Factor Arrows
3772,363
Factor Arrows
2333,581

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, 23, 33581

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 23 x 33,581 = 222,440,544

This can also be written as 25 x 32 x 231 x 33,5811 = 222,440,544

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


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