Q: What are the prime factors of the number 36,146,424?

 A: 2, 3, 53, 157, 181

Why are those the prime factors of the number 36,146,424?

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 36,146,424

36,146,424
Factor Arrows
218,073,212
Factor Arrows
29,036,606
Factor Arrows
24,518,303
Factor Arrows
31,506,101
Factor Arrows
5328,417
Factor Arrows
157181

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, 53, 157, 181

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 53 x 157 x 181 = 36,146,424

This can also be written as 23 x 31 x 531 x 1571 x 1811 = 36,146,424

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


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