Q: What are the prime factors of the number 361,075,887?

 A: 3, 107, 1543

Why are those the prime factors of the number 361,075,887?

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 361,075,887

361,075,887
Factor Arrows
3120,358,629
Factor Arrows
340,119,543
Factor Arrows
313,373,181
Factor Arrows
34,457,727
Factor Arrows
31,485,909
Factor Arrows
3495,303
Factor Arrows
3165,101
Factor Arrows
1071,543

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, 107, 1543

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 3 x 107 x 1,543 = 361,075,887

This can also be written as 37 x 1071 x 1,5431 = 361,075,887

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


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