Q: What are the prime factors of the number 288,972,672?

 A: 2, 3, 19, 39607

Why are those the prime factors of the number 288,972,672?

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 288,972,672

288,972,672
Factor Arrows
2144,486,336
Factor Arrows
272,243,168
Factor Arrows
236,121,584
Factor Arrows
218,060,792
Factor Arrows
29,030,396
Factor Arrows
24,515,198
Factor Arrows
22,257,599
Factor Arrows
3752,533
Factor Arrows
1939,607

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, 19, 39607

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 19 x 39,607 = 288,972,672

This can also be written as 27 x 31 x 191 x 39,6071 = 288,972,672

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


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