Q: What are the prime factors of the number 245,335,230?

 A: 2, 3, 5, 7, 14423

Why are those the prime factors of the number 245,335,230?

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 245,335,230

245,335,230
Factor Arrows
2122,667,615
Factor Arrows
340,889,205
Factor Arrows
313,629,735
Factor Arrows
34,543,245
Factor Arrows
31,514,415
Factor Arrows
3504,805
Factor Arrows
5100,961
Factor Arrows
714,423

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, 7, 14423

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 5 x 7 x 14,423 = 245,335,230

This can also be written as 21 x 35 x 51 x 71 x 14,4231 = 245,335,230

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


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