Q: What are the prime factors of the number 541,465,040?

 A: 2, 5, 19, 101, 3527

Why are those the prime factors of the number 541,465,040?

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 541,465,040

541,465,040
Factor Arrows
2270,732,520
Factor Arrows
2135,366,260
Factor Arrows
267,683,130
Factor Arrows
233,841,565
Factor Arrows
56,768,313
Factor Arrows
19356,227
Factor Arrows
1013,527

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, 5, 19, 101, 3527

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 19 x 101 x 3,527 = 541,465,040

This can also be written as 24 x 51 x 191 x 1011 x 3,5271 = 541,465,040

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


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