Q: What are the prime factors of the number 66,353,496?

 A: 2, 3, 11, 73, 313

Why are those the prime factors of the number 66,353,496?

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 66,353,496

66,353,496
Factor Arrows
233,176,748
Factor Arrows
216,588,374
Factor Arrows
28,294,187
Factor Arrows
32,764,729
Factor Arrows
11251,339
Factor Arrows
1122,849
Factor Arrows
73313

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, 11, 73, 313

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 11 x 11 x 73 x 313 = 66,353,496

This can also be written as 23 x 31 x 112 x 731 x 3131 = 66,353,496

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


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