Q: What are the prime factors of the number 55,410,120?

 A: 2, 3, 5, 149, 1033

Why are those the prime factors of the number 55,410,120?

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 55,410,120

55,410,120
Factor Arrows
227,705,060
Factor Arrows
213,852,530
Factor Arrows
26,926,265
Factor Arrows
32,308,755
Factor Arrows
3769,585
Factor Arrows
5153,917
Factor Arrows
1491,033

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, 5, 149, 1033

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 149 x 1,033 = 55,410,120

This can also be written as 23 x 32 x 51 x 1491 x 1,0331 = 55,410,120

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


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