Q: What are the prime factors of the number 1,868,976?

 A: 2, 3, 12979

Why are those the prime factors of the number 1,868,976?

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 1,868,976

1,868,976
Factor Arrows
2934,488
Factor Arrows
2467,244
Factor Arrows
2233,622
Factor Arrows
2116,811
Factor Arrows
338,937
Factor Arrows
312,979

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, 12979

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 12,979 = 1,868,976

This can also be written as 24 x 32 x 12,9791 = 1,868,976

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


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