Q: What are the prime factors of the number 241,365,420?

 A: 2, 3, 5, 148991

Why are those the prime factors of the number 241,365,420?

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 241,365,420

241,365,420
Factor Arrows
2120,682,710
Factor Arrows
260,341,355
Factor Arrows
320,113,785
Factor Arrows
36,704,595
Factor Arrows
32,234,865
Factor Arrows
3744,955
Factor Arrows
5148,991

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, 5, 148991

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 5 x 148,991 = 241,365,420

This can also be written as 22 x 34 x 51 x 148,9911 = 241,365,420

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


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