Q: What are the prime factors of the number 159,726?

 A: 2, 3, 7, 3803

Why are those the prime factors of the number 159,726?

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 159,726

159,726
Factor Arrows
279,863
Factor Arrows
326,621
Factor Arrows
73,803

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, 7, 3803

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 3,803 = 159,726

This can also be written as 21 x 31 x 71 x 3,8031 = 159,726

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


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