Q: What are the prime factors of the number 987,276?

 A: 2, 3, 29, 2837

Why are those the prime factors of the number 987,276?

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 987,276

987,276
Factor Arrows
2493,638
Factor Arrows
2246,819
Factor Arrows
382,273
Factor Arrows
292,837

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, 29, 2837

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 29 x 2,837 = 987,276

This can also be written as 22 x 31 x 291 x 2,8371 = 987,276

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


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