Q: What are the prime factors of the number 738,312,720?

 A: 2, 3, 5, 17, 180959

Why are those the prime factors of the number 738,312,720?

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 738,312,720

738,312,720
Factor Arrows
2369,156,360
Factor Arrows
2184,578,180
Factor Arrows
292,289,090
Factor Arrows
246,144,545
Factor Arrows
315,381,515
Factor Arrows
53,076,303
Factor Arrows
17180,959

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, 5, 17, 180959

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 17 x 180,959 = 738,312,720

This can also be written as 24 x 31 x 51 x 171 x 180,9591 = 738,312,720

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


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