Q: What are the prime factors of the number 162,470,240?

 A: 2, 5, 983, 1033

Why are those the prime factors of the number 162,470,240?

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 162,470,240

162,470,240
Factor Arrows
281,235,120
Factor Arrows
240,617,560
Factor Arrows
220,308,780
Factor Arrows
210,154,390
Factor Arrows
25,077,195
Factor Arrows
51,015,439
Factor Arrows
9831,033

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, 5, 983, 1033

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 983 x 1,033 = 162,470,240

This can also be written as 25 x 51 x 9831 x 1,0331 = 162,470,240

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


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