Q: What are the prime factors of the number 35,311,144?

 A: 2, 11, 53, 67, 113

Why are those the prime factors of the number 35,311,144?

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 35,311,144

35,311,144
Factor Arrows
217,655,572
Factor Arrows
28,827,786
Factor Arrows
24,413,893
Factor Arrows
11401,263
Factor Arrows
537,571
Factor Arrows
67113

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, 11, 53, 67, 113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 53 x 67 x 113 = 35,311,144

This can also be written as 23 x 111 x 531 x 671 x 1131 = 35,311,144

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


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