Q: What are the prime factors of the number 162,003,114?

 A: 2, 3, 7, 13, 71, 199

Why are those the prime factors of the number 162,003,114?

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 162,003,114

162,003,114
Factor Arrows
281,001,557
Factor Arrows
327,000,519
Factor Arrows
39,000,173
Factor Arrows
71,285,739
Factor Arrows
7183,677
Factor Arrows
1314,129
Factor Arrows
71199

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, 7, 13, 71, 199

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 7 x 13 x 71 x 199 = 162,003,114

This can also be written as 21 x 32 x 72 x 131 x 711 x 1991 = 162,003,114

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


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