Q: What are the prime factors of the number 304,221,420?

 A: 2, 3, 5, 62597

Why are those the prime factors of the number 304,221,420?

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 304,221,420

304,221,420
Factor Arrows
2152,110,710
Factor Arrows
276,055,355
Factor Arrows
325,351,785
Factor Arrows
38,450,595
Factor Arrows
32,816,865
Factor Arrows
3938,955
Factor Arrows
3312,985
Factor Arrows
562,597

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, 62597

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 5 x 62,597 = 304,221,420

This can also be written as 22 x 35 x 51 x 62,5971 = 304,221,420

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


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