Q: What are the prime factors of the number 605,160,000?

 A: 2, 3, 5, 41

Why are those the prime factors of the number 605,160,000?

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 605,160,000

605,160,000
Factor Arrows
2302,580,000
Factor Arrows
2151,290,000
Factor Arrows
275,645,000
Factor Arrows
237,822,500
Factor Arrows
218,911,250
Factor Arrows
29,455,625
Factor Arrows
33,151,875
Factor Arrows
31,050,625
Factor Arrows
5210,125
Factor Arrows
542,025
Factor Arrows
58,405
Factor Arrows
51,681
Factor Arrows
4141

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, 41

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 5 x 5 x 5 x 5 x 41 x 41 = 605,160,000

This can also be written as 26 x 32 x 54 x 412 = 605,160,000

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


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