Q: What are the prime factors of the number 16,957,269?

 A: 3, 7, 3323

Why are those the prime factors of the number 16,957,269?

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 16,957,269

16,957,269
Factor Arrows
35,652,423
Factor Arrows
31,884,141
Factor Arrows
3628,047
Factor Arrows
3209,349
Factor Arrows
369,783
Factor Arrows
323,261
Factor Arrows
73,323

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, 3323

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 7 x 3,323 = 16,957,269

This can also be written as 36 x 71 x 3,3231 = 16,957,269

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


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