Q: What are the prime factors of the number 340,244,772?

 A: 2, 3, 7, 313, 12941

Why are those the prime factors of the number 340,244,772?

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 340,244,772

340,244,772
Factor Arrows
2170,122,386
Factor Arrows
285,061,193
Factor Arrows
328,353,731
Factor Arrows
74,050,533
Factor Arrows
31312,941

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, 313, 12941

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 313 x 12,941 = 340,244,772

This can also be written as 22 x 31 x 71 x 3131 x 12,9411 = 340,244,772

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


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