Q: What are the prime factors of the number 144,444,320?

 A: 2, 5, 902777

Why are those the prime factors of the number 144,444,320?

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 144,444,320

144,444,320
Factor Arrows
272,222,160
Factor Arrows
236,111,080
Factor Arrows
218,055,540
Factor Arrows
29,027,770
Factor Arrows
24,513,885
Factor Arrows
5902,777

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, 902777

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 902,777 = 144,444,320

This can also be written as 25 x 51 x 902,7771 = 144,444,320

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


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