Q: What are the prime factors of the number 278,520,264?

 A: 2, 3, 11, 351667

Why are those the prime factors of the number 278,520,264?

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 278,520,264

278,520,264
Factor Arrows
2139,260,132
Factor Arrows
269,630,066
Factor Arrows
234,815,033
Factor Arrows
311,605,011
Factor Arrows
33,868,337
Factor Arrows
11351,667

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, 11, 351667

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 11 x 351,667 = 278,520,264

This can also be written as 23 x 32 x 111 x 351,6671 = 278,520,264

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


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