Q: What are the prime factors of the number 156,124,360?

 A: 2, 5, 7, 239, 2333

Why are those the prime factors of the number 156,124,360?

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 156,124,360

156,124,360
Factor Arrows
278,062,180
Factor Arrows
239,031,090
Factor Arrows
219,515,545
Factor Arrows
53,903,109
Factor Arrows
7557,587
Factor Arrows
2392,333

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, 5, 7, 239, 2333

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 7 x 239 x 2,333 = 156,124,360

This can also be written as 23 x 51 x 71 x 2391 x 2,3331 = 156,124,360

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


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