Q: What are the prime factors of the number 429,897?

 A: 3, 13, 73, 151

Why are those the prime factors of the number 429,897?

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 429,897

429,897
Factor Arrows
3143,299
Factor Arrows
1311,023
Factor Arrows
73151

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, 13, 73, 151

We can check our work by multiplying all of the prime factors together: 3 x 13 x 73 x 151 = 429,897

This can also be written as 31 x 131 x 731 x 1511 = 429,897

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


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