Q: What are the prime factors of the number 245,070,441?

 A: 3, 7, 11, 39293

Why are those the prime factors of the number 245,070,441?

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 245,070,441

245,070,441
Factor Arrows
381,690,147
Factor Arrows
327,230,049
Factor Arrows
39,076,683
Factor Arrows
33,025,561
Factor Arrows
7432,223
Factor Arrows
1139,293

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:

3, 7, 11, 39293

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 7 x 11 x 39,293 = 245,070,441

This can also be written as 34 x 71 x 111 x 39,2931 = 245,070,441

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


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