Q: What are the prime factors of the number 541,544,346?

 A: 2, 3, 7, 19, 75403

Why are those the prime factors of the number 541,544,346?

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 541,544,346

541,544,346
Factor Arrows
2270,772,173
Factor Arrows
390,257,391
Factor Arrows
330,085,797
Factor Arrows
310,028,599
Factor Arrows
71,432,657
Factor Arrows
1975,403

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, 19, 75403

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 7 x 19 x 75,403 = 541,544,346

This can also be written as 21 x 33 x 71 x 191 x 75,4031 = 541,544,346

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


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