Q: What are the prime factors of the number 751,488?

 A: 2, 3, 19, 103

Why are those the prime factors of the number 751,488?

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 751,488

751,488
Factor Arrows
2375,744
Factor Arrows
2187,872
Factor Arrows
293,936
Factor Arrows
246,968
Factor Arrows
223,484
Factor Arrows
211,742
Factor Arrows
25,871
Factor Arrows
31,957
Factor Arrows
19103

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, 103

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 19 x 103 = 751,488

This can also be written as 27 x 31 x 191 x 1031 = 751,488

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


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