Q: What are the prime factors of the number 160,344,360?

 A: 2, 3, 5, 11, 409

Why are those the prime factors of the number 160,344,360?

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 160,344,360

160,344,360
Factor Arrows
280,172,180
Factor Arrows
240,086,090
Factor Arrows
220,043,045
Factor Arrows
36,681,015
Factor Arrows
32,227,005
Factor Arrows
3742,335
Factor Arrows
3247,445
Factor Arrows
549,489
Factor Arrows
114,499
Factor Arrows
11409

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, 5, 11, 409

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 5 x 11 x 11 x 409 = 160,344,360

This can also be written as 23 x 34 x 51 x 112 x 4091 = 160,344,360

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


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