Q: What are the prime factors of the number 541,655,543?

 A: 11, 13, 23, 37, 4451

Why are those the prime factors of the number 541,655,543?

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 541,655,543

541,655,543
Factor Arrows
1149,241,413
Factor Arrows
133,787,801
Factor Arrows
23164,687
Factor Arrows
374,451

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:

11, 13, 23, 37, 4451

We can check our work by multiplying all of the prime factors together: 11 x 13 x 23 x 37 x 4,451 = 541,655,543

This can also be written as 111 x 131 x 231 x 371 x 4,4511 = 541,655,543

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


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