Q: What are the prime factors of the number 156,276?

 A: 2, 3, 1447

Why are those the prime factors of the number 156,276?

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 156,276

156,276
Factor Arrows
278,138
Factor Arrows
239,069
Factor Arrows
313,023
Factor Arrows
34,341
Factor Arrows
31,447

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, 1447

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 1,447 = 156,276

This can also be written as 22 x 33 x 1,4471 = 156,276

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


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