Q: What are the prime factors of the number 281,043?

 A: 3, 7, 1487

Why are those the prime factors of the number 281,043?

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 281,043

281,043
Factor Arrows
393,681
Factor Arrows
331,227
Factor Arrows
310,409
Factor Arrows
71,487

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:

3, 7, 1487

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 1,487 = 281,043

This can also be written as 33 x 71 x 1,4871 = 281,043

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


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