Q: What are the prime factors of the number 39,749,268?

 A: 2, 3, 13, 254803

Why are those the prime factors of the number 39,749,268?

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 39,749,268

39,749,268
Factor Arrows
219,874,634
Factor Arrows
29,937,317
Factor Arrows
33,312,439
Factor Arrows
13254,803

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, 13, 254803

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 13 x 254,803 = 39,749,268

This can also be written as 22 x 31 x 131 x 254,8031 = 39,749,268

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


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