Q: What are the prime factors of the number 302,033,100?

 A: 2, 3, 5, 139, 7243

Why are those the prime factors of the number 302,033,100?

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 302,033,100

302,033,100
Factor Arrows
2151,016,550
Factor Arrows
275,508,275
Factor Arrows
325,169,425
Factor Arrows
55,033,885
Factor Arrows
51,006,777
Factor Arrows
1397,243

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, 139, 7243

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 139 x 7,243 = 302,033,100

This can also be written as 22 x 31 x 52 x 1391 x 7,2431 = 302,033,100

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


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