Q: What are the prime factors of the number 55,583,775?

 A: 3, 5, 13, 31, 613

Why are those the prime factors of the number 55,583,775?

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 55,583,775

55,583,775
Factor Arrows
318,527,925
Factor Arrows
36,175,975
Factor Arrows
51,235,195
Factor Arrows
5247,039
Factor Arrows
1319,003
Factor Arrows
31613

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:

3, 5, 13, 31, 613

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 13 x 31 x 613 = 55,583,775

This can also be written as 32 x 52 x 131 x 311 x 6131 = 55,583,775

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


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