Q: What are the prime factors of the number 303,422,120?

 A: 2, 5, 17, 137, 3257

Why are those the prime factors of the number 303,422,120?

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 303,422,120

303,422,120
Factor Arrows
2151,711,060
Factor Arrows
275,855,530
Factor Arrows
237,927,765
Factor Arrows
57,585,553
Factor Arrows
17446,209
Factor Arrows
1373,257

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, 17, 137, 3257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 17 x 137 x 3,257 = 303,422,120

This can also be written as 23 x 51 x 171 x 1371 x 3,2571 = 303,422,120

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


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