Q: What are the prime factors of the number 155,453,326?

 A: 2, 7, 19, 584411

Why are those the prime factors of the number 155,453,326?

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 155,453,326

155,453,326
Factor Arrows
277,726,663
Factor Arrows
711,103,809
Factor Arrows
19584,411

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, 7, 19, 584411

We can check our work by multiplying all of the prime factors together: 2 x 7 x 19 x 584,411 = 155,453,326

This can also be written as 21 x 71 x 191 x 584,4111 = 155,453,326

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


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