Q: What are the prime factors of the number 711,611,264?

 A: 2, 7, 13, 199, 307

Why are those the prime factors of the number 711,611,264?

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 711,611,264

711,611,264
Factor Arrows
2355,805,632
Factor Arrows
2177,902,816
Factor Arrows
288,951,408
Factor Arrows
244,475,704
Factor Arrows
222,237,852
Factor Arrows
211,118,926
Factor Arrows
25,559,463
Factor Arrows
7794,209
Factor Arrows
1361,093
Factor Arrows
199307

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, 7, 13, 199, 307

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 7 x 13 x 199 x 307 = 711,611,264

This can also be written as 27 x 71 x 131 x 1991 x 3071 = 711,611,264

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


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