Q: What are the prime factors of the number 42,226,200?

 A: 2, 3, 5, 23459

Why are those the prime factors of the number 42,226,200?

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 42,226,200

42,226,200
Factor Arrows
221,113,100
Factor Arrows
210,556,550
Factor Arrows
25,278,275
Factor Arrows
31,759,425
Factor Arrows
3586,475
Factor Arrows
5117,295
Factor Arrows
523,459

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, 23459

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 5 x 23,459 = 42,226,200

This can also be written as 23 x 32 x 52 x 23,4591 = 42,226,200

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


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