Q: What are the prime factors of the number 45,680,184?

 A: 2, 3, 11, 137, 421

Why are those the prime factors of the number 45,680,184?

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 45,680,184

45,680,184
Factor Arrows
222,840,092
Factor Arrows
211,420,046
Factor Arrows
25,710,023
Factor Arrows
31,903,341
Factor Arrows
3634,447
Factor Arrows
1157,677
Factor Arrows
137421

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, 137, 421

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 137 x 421 = 45,680,184

This can also be written as 23 x 32 x 111 x 1371 x 4211 = 45,680,184

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


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