Q: What are the prime factors of the number 165,624,406?

 A: 2, 19, 1483, 2939

Why are those the prime factors of the number 165,624,406?

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 165,624,406

165,624,406
Factor Arrows
282,812,203
Factor Arrows
194,358,537
Factor Arrows
1,4832,939

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, 19, 1483, 2939

We can check our work by multiplying all of the prime factors together: 2 x 19 x 1,483 x 2,939 = 165,624,406

This can also be written as 21 x 191 x 1,4831 x 2,9391 = 165,624,406

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


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