Q: What are the prime factors of the number 771,562,125?

 A: 3, 5, 228611

Why are those the prime factors of the number 771,562,125?

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 771,562,125

771,562,125
Factor Arrows
3257,187,375
Factor Arrows
385,729,125
Factor Arrows
328,576,375
Factor Arrows
55,715,275
Factor Arrows
51,143,055
Factor Arrows
5228,611

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:

3, 5, 228611

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 5 x 5 x 228,611 = 771,562,125

This can also be written as 33 x 53 x 228,6111 = 771,562,125

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


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