Q: What are the prime factors of the number 5,919,678?

 A: 2, 3, 19, 911

Why are those the prime factors of the number 5,919,678?

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 5,919,678

5,919,678
Factor Arrows
22,959,839
Factor Arrows
3986,613
Factor Arrows
3328,871
Factor Arrows
1917,309
Factor Arrows
19911

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, 19, 911

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 19 x 19 x 911 = 5,919,678

This can also be written as 21 x 32 x 192 x 9111 = 5,919,678

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


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