Q: What are the prime factors of the number 65,224,576?

 A: 2, 71, 7177

Why are those the prime factors of the number 65,224,576?

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 65,224,576

65,224,576
Factor Arrows
232,612,288
Factor Arrows
216,306,144
Factor Arrows
28,153,072
Factor Arrows
24,076,536
Factor Arrows
22,038,268
Factor Arrows
21,019,134
Factor Arrows
2509,567
Factor Arrows
717,177

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, 71, 7177

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 71 x 7,177 = 65,224,576

This can also be written as 27 x 711 x 7,1771 = 65,224,576

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


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