Q: What are the prime factors of the number 1,174,866?

 A: 2, 3, 7, 11, 2543

Why are those the prime factors of the number 1,174,866?

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 1,174,866

1,174,866
Factor Arrows
2587,433
Factor Arrows
3195,811
Factor Arrows
727,973
Factor Arrows
112,543

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, 11, 2543

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 11 x 2,543 = 1,174,866

This can also be written as 21 x 31 x 71 x 111 x 2,5431 = 1,174,866

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


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