Q: What are the prime factors of the number 738,311,462?

 A: 2, 7, 17, 19, 43, 3797

Why are those the prime factors of the number 738,311,462?

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 738,311,462

738,311,462
Factor Arrows
2369,155,731
Factor Arrows
752,736,533
Factor Arrows
173,102,149
Factor Arrows
19163,271
Factor Arrows
433,797

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, 7, 17, 19, 43, 3797

We can check our work by multiplying all of the prime factors together: 2 x 7 x 17 x 19 x 43 x 3,797 = 738,311,462

This can also be written as 21 x 71 x 171 x 191 x 431 x 3,7971 = 738,311,462

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


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