Q: What are the prime factors of the number 162,361,008?

 A: 2, 3, 1127507

Why are those the prime factors of the number 162,361,008?

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 162,361,008

162,361,008
Factor Arrows
281,180,504
Factor Arrows
240,590,252
Factor Arrows
220,295,126
Factor Arrows
210,147,563
Factor Arrows
33,382,521
Factor Arrows
31,127,507

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, 1127507

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 1,127,507 = 162,361,008

This can also be written as 24 x 32 x 1,127,5071 = 162,361,008

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


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