Q: What are the prime factors of the number 415,323,144?

 A: 2, 3, 23, 250799

Why are those the prime factors of the number 415,323,144?

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 415,323,144

415,323,144
Factor Arrows
2207,661,572
Factor Arrows
2103,830,786
Factor Arrows
251,915,393
Factor Arrows
317,305,131
Factor Arrows
35,768,377
Factor Arrows
23250,799

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, 250799

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 23 x 250,799 = 415,323,144

This can also be written as 23 x 32 x 231 x 250,7991 = 415,323,144

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


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