Q: What are the prime factors of the number 288,805,376?

 A: 2, 67, 8419

Why are those the prime factors of the number 288,805,376?

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 288,805,376

288,805,376
Factor Arrows
2144,402,688
Factor Arrows
272,201,344
Factor Arrows
236,100,672
Factor Arrows
218,050,336
Factor Arrows
29,025,168
Factor Arrows
24,512,584
Factor Arrows
22,256,292
Factor Arrows
21,128,146
Factor Arrows
2564,073
Factor Arrows
678,419

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, 67, 8419

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 2 x 2 x 67 x 8,419 = 288,805,376

This can also be written as 29 x 671 x 8,4191 = 288,805,376

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


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