Q: What are the prime factors of the number 1,195,992?

 A: 2, 3, 7, 113

Why are those the prime factors of the number 1,195,992?

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 1,195,992

1,195,992
Factor Arrows
2597,996
Factor Arrows
2298,998
Factor Arrows
2149,499
Factor Arrows
349,833
Factor Arrows
316,611
Factor Arrows
35,537
Factor Arrows
7791
Factor Arrows
7113

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, 113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 7 x 7 x 113 = 1,195,992

This can also be written as 23 x 33 x 72 x 1131 = 1,195,992

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


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