Q: What are the prime factors of the number 35,726,144?

 A: 2, 29, 19249

Why are those the prime factors of the number 35,726,144?

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 35,726,144

35,726,144
Factor Arrows
217,863,072
Factor Arrows
28,931,536
Factor Arrows
24,465,768
Factor Arrows
22,232,884
Factor Arrows
21,116,442
Factor Arrows
2558,221
Factor Arrows
2919,249

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, 29, 19249

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 29 x 19,249 = 35,726,144

This can also be written as 26 x 291 x 19,2491 = 35,726,144

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


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