Q: What are the prime factors of the number 350,424,405?

 A: 3, 5, 67, 71, 1637

Why are those the prime factors of the number 350,424,405?

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 350,424,405

350,424,405
Factor Arrows
3116,808,135
Factor Arrows
338,936,045
Factor Arrows
57,787,209
Factor Arrows
67116,227
Factor Arrows
711,637

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, 5, 67, 71, 1637

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 67 x 71 x 1,637 = 350,424,405

This can also be written as 32 x 51 x 671 x 711 x 1,6371 = 350,424,405

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


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