Q: What are the prime factors of the number 53,434,251?

 A: 3, 13, 19, 43

Why are those the prime factors of the number 53,434,251?

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 53,434,251

53,434,251
Factor Arrows
317,811,417
Factor Arrows
35,937,139
Factor Arrows
13456,703
Factor Arrows
1335,131
Factor Arrows
191,849
Factor Arrows
4343

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, 13, 19, 43

We can check our work by multiplying all of the prime factors together: 3 x 3 x 13 x 13 x 19 x 43 x 43 = 53,434,251

This can also be written as 32 x 132 x 191 x 432 = 53,434,251

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


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