Q: What are the prime factors of the number 65,945,248?

 A: 2, 37, 55697

Why are those the prime factors of the number 65,945,248?

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 65,945,248

65,945,248
Factor Arrows
232,972,624
Factor Arrows
216,486,312
Factor Arrows
28,243,156
Factor Arrows
24,121,578
Factor Arrows
22,060,789
Factor Arrows
3755,697

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, 37, 55697

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 37 x 55,697 = 65,945,248

This can also be written as 25 x 371 x 55,6971 = 65,945,248

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


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