Q: What are the prime factors of the number 67,772,944?

 A: 2, 31, 107, 1277

Why are those the prime factors of the number 67,772,944?

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 67,772,944

67,772,944
Factor Arrows
233,886,472
Factor Arrows
216,943,236
Factor Arrows
28,471,618
Factor Arrows
24,235,809
Factor Arrows
31136,639
Factor Arrows
1071,277

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, 31, 107, 1277

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 31 x 107 x 1,277 = 67,772,944

This can also be written as 24 x 311 x 1071 x 1,2771 = 67,772,944

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


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