Q: What are the prime factors of the number 155,445,012?

 A: 2, 3, 4317917

Why are those the prime factors of the number 155,445,012?

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 155,445,012

155,445,012
Factor Arrows
277,722,506
Factor Arrows
238,861,253
Factor Arrows
312,953,751
Factor Arrows
34,317,917

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, 4317917

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 4,317,917 = 155,445,012

This can also be written as 22 x 32 x 4,317,9171 = 155,445,012

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


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