Q: What are the prime factors of the number 342,340,000?

 A: 2, 5, 17117

Why are those the prime factors of the number 342,340,000?

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 342,340,000

342,340,000
Factor Arrows
2171,170,000
Factor Arrows
285,585,000
Factor Arrows
242,792,500
Factor Arrows
221,396,250
Factor Arrows
210,698,125
Factor Arrows
52,139,625
Factor Arrows
5427,925
Factor Arrows
585,585
Factor Arrows
517,117

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, 17117

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 5 x 5 x 5 x 17,117 = 342,340,000

This can also be written as 25 x 54 x 17,1171 = 342,340,000

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


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