Q: What are the prime factors of the number 16,948,464?

 A: 2, 3, 13, 157, 173

Why are those the prime factors of the number 16,948,464?

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 16,948,464

16,948,464
Factor Arrows
28,474,232
Factor Arrows
24,237,116
Factor Arrows
22,118,558
Factor Arrows
21,059,279
Factor Arrows
3353,093
Factor Arrows
1327,161
Factor Arrows
157173

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, 3, 13, 157, 173

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 13 x 157 x 173 = 16,948,464

This can also be written as 24 x 31 x 131 x 1571 x 1731 = 16,948,464

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


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