Q: What are the prime factors of the number 1,175,208?

 A: 2, 3, 23, 2129

Why are those the prime factors of the number 1,175,208?

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 1,175,208

1,175,208
Factor Arrows
2587,604
Factor Arrows
2293,802
Factor Arrows
2146,901
Factor Arrows
348,967
Factor Arrows
232,129

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, 2129

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 23 x 2,129 = 1,175,208

This can also be written as 23 x 31 x 231 x 2,1291 = 1,175,208

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


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