Q: What are the prime factors of the number 278,362,736?

 A: 2, 43, 404597

Why are those the prime factors of the number 278,362,736?

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 278,362,736

278,362,736
Factor Arrows
2139,181,368
Factor Arrows
269,590,684
Factor Arrows
234,795,342
Factor Arrows
217,397,671
Factor Arrows
43404,597

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, 43, 404597

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 43 x 404,597 = 278,362,736

This can also be written as 24 x 431 x 404,5971 = 278,362,736

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


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