Q: What are the prime factors of the number 97,818?

 A: 2, 3, 7, 17, 137

Why are those the prime factors of the number 97,818?

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 97,818

97,818
Factor Arrows
248,909
Factor Arrows
316,303
Factor Arrows
72,329
Factor Arrows
17137

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, 17, 137

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 17 x 137 = 97,818

This can also be written as 21 x 31 x 71 x 171 x 1371 = 97,818

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


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