Q: What are the prime factors of the number 741,163,725?

 A: 3, 5, 61, 54001

Why are those the prime factors of the number 741,163,725?

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 741,163,725

741,163,725
Factor Arrows
3247,054,575
Factor Arrows
382,351,525
Factor Arrows
516,470,305
Factor Arrows
53,294,061
Factor Arrows
6154,001

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, 61, 54001

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 61 x 54,001 = 741,163,725

This can also be written as 32 x 52 x 611 x 54,0011 = 741,163,725

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


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