Q: What are the prime factors of the number 38,352,258?

 A: 2, 3, 7, 241, 421

Why are those the prime factors of the number 38,352,258?

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 38,352,258

38,352,258
Factor Arrows
219,176,129
Factor Arrows
36,392,043
Factor Arrows
32,130,681
Factor Arrows
3710,227
Factor Arrows
7101,461
Factor Arrows
241421

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, 7, 241, 421

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 7 x 241 x 421 = 38,352,258

This can also be written as 21 x 33 x 71 x 2411 x 4211 = 38,352,258

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


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