Q: What are the prime factors of the number 220,333,302?

 A: 2, 3, 7, 249811

Why are those the prime factors of the number 220,333,302?

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 220,333,302

220,333,302
Factor Arrows
2110,166,651
Factor Arrows
336,722,217
Factor Arrows
312,240,739
Factor Arrows
71,748,677
Factor Arrows
7249,811

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, 7, 249811

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 7 x 249,811 = 220,333,302

This can also be written as 21 x 32 x 72 x 249,8111 = 220,333,302

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


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