Q: What is the prime factorization of the number 52,511,461?

 A:
  • The prime factors are: 23 x 367 x 6,221
    • or also written as { 23, 367, 6,221 }
  • Written in exponential form: 231 x 3671 x 6,2211

Why is the prime factorization of 52,511,461 written as 231 x 3671 x 6,2211?

What is prime factorization?

Prime factorization or prime factor decomposition is the process of finding which prime numbers can be multiplied together to make the original number.

Finding the prime factors of 52,511,461

To find the prime factors, you start by dividing the number by the first prime number, which is 2. If there is not a remainder, meaning you can divide evenly, then 2 is a factor of the number. Continue dividing by 2 until you cannot divide evenly anymore. Write down how many 2's you were able to divide by evenly. Now try dividing by the next prime factor, which is 3. The goal is to get to a quotient of 1.

If it doesn't make sense yet, let's try it...

Here are the first several prime factors: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29...

Let's start by dividing 52,511,461 by 2

52,511,461 ÷ 2 = 26,255,730.5 - This has a remainder. Let's try another prime number.
52,511,461 ÷ 3 = 17,503,820.3333 - This has a remainder. Let's try another prime number.
52,511,461 ÷ 5 = 10,502,292.2 - This has a remainder. Let's try another prime number.
...
Keep trying increasingly larger numbers until you find one that divides evenly.
...
52,511,461 ÷ 23 = 2,283,107 - No remainder! 23 is one of the factors!
2,283,107 ÷ 23 = 99,265.5217 - There is a remainder. We can't divide by 23 evenly anymore. Let's try the next prime number
2,283,107 ÷ 29 = 78,727.8276 - This has a remainder. 29 is not a factor.
2,283,107 ÷ 31 = 73,648.6129 - This has a remainder. 31 is not a factor.
2,283,107 ÷ 37 = 61,705.5946 - This has a remainder. 37 is not a factor.
...
Keep trying increasingly larger numbers until you find one that divides evenly.
...
2,283,107 ÷ 367 = 6,221 - No remainder! 367 is one of the factors!
6,221 ÷ 367 = 16.951 - There is a remainder. We can't divide by 367 evenly anymore. Let's try the next prime number
6,221 ÷ 373 = 16.6783 - This has a remainder. 373 is not a factor.
6,221 ÷ 379 = 16.4142 - This has a remainder. 379 is not a factor.
6,221 ÷ 383 = 16.2428 - This has a remainder. 383 is not a factor.
...
Keep trying increasingly larger numbers until you find one that divides evenly.
...
6,221 ÷ 6,221 = 1 - No remainder! 6,221 is one of the factors!

The orange divisor(s) above are the prime factors of the number 52,511,461. If we put all of it together we have the factors 23 x 367 x 6,221 = 52,511,461. It can also be written in exponential form as 231 x 3671 x 6,2211.

Factor Tree

Another way to do prime factorization is to use a factor tree. Below is a factor tree for the number 52,511,461.

52,511,461
Factor Arrows
232,283,107
Factor Arrows
3676,221

More Prime Factorization Examples

52,511,45952,511,46052,511,46252,511,463
71 x 112 x 131 x 191 x 251122 x 31 x 51 x 291 x 1031 x 293121 x 2,0271 x 12,953133 x 1,3611 x 1,4291

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