Q: What are the prime factors of the number 42,536,193?

 A: 3, 7, 17, 19, 6271

Why are those the prime factors of the number 42,536,193?

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 42,536,193

42,536,193
Factor Arrows
314,178,731
Factor Arrows
72,025,533
Factor Arrows
17119,149
Factor Arrows
196,271

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, 7, 17, 19, 6271

We can check our work by multiplying all of the prime factors together: 3 x 7 x 17 x 19 x 6,271 = 42,536,193

This can also be written as 31 x 71 x 171 x 191 x 6,2711 = 42,536,193

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


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