Q: What are the prime factors of the number 35,542,144?

 A: 2, 11, 25243

Why are those the prime factors of the number 35,542,144?

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 35,542,144

35,542,144
Factor Arrows
217,771,072
Factor Arrows
28,885,536
Factor Arrows
24,442,768
Factor Arrows
22,221,384
Factor Arrows
21,110,692
Factor Arrows
2555,346
Factor Arrows
2277,673
Factor Arrows
1125,243

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, 11, 25243

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 2 x 11 x 25,243 = 35,542,144

This can also be written as 27 x 111 x 25,2431 = 35,542,144

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


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