Q: What are the prime factors of the number 162,124,164?

 A: 2, 3, 997, 4517

Why are those the prime factors of the number 162,124,164?

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 162,124,164

162,124,164
Factor Arrows
281,062,082
Factor Arrows
240,531,041
Factor Arrows
313,510,347
Factor Arrows
34,503,449
Factor Arrows
9974,517

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, 997, 4517

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 997 x 4,517 = 162,124,164

This can also be written as 22 x 32 x 9971 x 4,5171 = 162,124,164

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


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