Q: What are the prime factors of the number 545,646,281?

 A: 29, 61, 167, 1847

Why are those the prime factors of the number 545,646,281?

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 545,646,281

545,646,281
Factor Arrows
2918,815,389
Factor Arrows
61308,449
Factor Arrows
1671,847

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:

29, 61, 167, 1847

We can check our work by multiplying all of the prime factors together: 29 x 61 x 167 x 1,847 = 545,646,281

This can also be written as 291 x 611 x 1671 x 1,8471 = 545,646,281

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


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