Q: What are the prime factors of the number 65,776,248?

 A: 2, 3, 439, 2081

Why are those the prime factors of the number 65,776,248?

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 65,776,248

65,776,248
Factor Arrows
232,888,124
Factor Arrows
216,444,062
Factor Arrows
28,222,031
Factor Arrows
32,740,677
Factor Arrows
3913,559
Factor Arrows
4392,081

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, 439, 2081

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 439 x 2,081 = 65,776,248

This can also be written as 23 x 32 x 4391 x 2,0811 = 65,776,248

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


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