Q: What are the prime factors of the number 54,308,184?

 A: 2, 3, 7, 29, 71, 157

Why are those the prime factors of the number 54,308,184?

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 54,308,184

54,308,184
Factor Arrows
227,154,092
Factor Arrows
213,577,046
Factor Arrows
26,788,523
Factor Arrows
32,262,841
Factor Arrows
7323,263
Factor Arrows
2911,147
Factor Arrows
71157

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, 7, 29, 71, 157

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 29 x 71 x 157 = 54,308,184

This can also be written as 23 x 31 x 71 x 291 x 711 x 1571 = 54,308,184

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


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