Q: What are the prime factors of the number 42,822,241?

 A: 7, 11, 29, 127, 151

Why are those the prime factors of the number 42,822,241?

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 42,822,241

42,822,241
Factor Arrows
76,117,463
Factor Arrows
11556,133
Factor Arrows
2919,177
Factor Arrows
127151

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:

7, 11, 29, 127, 151

We can check our work by multiplying all of the prime factors together: 7 x 11 x 29 x 127 x 151 = 42,822,241

This can also be written as 71 x 111 x 291 x 1271 x 1511 = 42,822,241

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


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