Q: What are the prime factors of the number 986,148?

 A: 2, 3, 23, 397

Why are those the prime factors of the number 986,148?

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 986,148

986,148
Factor Arrows
2493,074
Factor Arrows
2246,537
Factor Arrows
382,179
Factor Arrows
327,393
Factor Arrows
39,131
Factor Arrows
23397

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, 23, 397

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 23 x 397 = 986,148

This can also be written as 22 x 33 x 231 x 3971 = 986,148

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


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