Q: What are the prime factors of the number 245,751,150?

 A: 2, 3, 5, 17, 5669

Why are those the prime factors of the number 245,751,150?

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 245,751,150

245,751,150
Factor Arrows
2122,875,575
Factor Arrows
340,958,525
Factor Arrows
58,191,705
Factor Arrows
51,638,341
Factor Arrows
1796,373
Factor Arrows
175,669

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, 17, 5669

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 17 x 17 x 5,669 = 245,751,150

This can also be written as 21 x 31 x 52 x 172 x 5,6691 = 245,751,150

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


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