Q: What are the prime factors of the number 402,333,338?

 A: 2, 11, 37, 494267

Why are those the prime factors of the number 402,333,338?

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 402,333,338

402,333,338
Factor Arrows
2201,166,669
Factor Arrows
1118,287,879
Factor Arrows
37494,267

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:

2, 11, 37, 494267

We can check our work by multiplying all of the prime factors together: 2 x 11 x 37 x 494,267 = 402,333,338

This can also be written as 21 x 111 x 371 x 494,2671 = 402,333,338

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


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