Greatest Common Factor of 15216 and 15221

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 15216, 15221 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 15216 and 15221 is 1.

GCF(15216,15221) = 1

GCF of 15216 and 15221

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 15216 and 15221

GCF of 15216 and 15221 is 1

Prime Factorization of 15216


2 15216
2 7608
2 3804
2 1902
3 951
317 317
1

Prime factors of 15216 are 2,3,317. Prime factorization of 15216 in exponential form is:

15216 = 24×31×3171

Prime Factorization of 15221


31 15221
491 491
1

Prime factors of 15221 are 31,491. Prime factorization of 15221 in exponential form is:

15221 = 311×4911

∴ So by taking common prime factors GCF of 15216 and 15221 is 1

Greatest Common Factor of 15216 and 15221 by matching factors method

Factors of 15216

List of positive integer factors of 15216 that divides 15216 without a remainder.

1,2,3,4,6,8,12,16,24,48,317,634,951,1268,1902,2536,3804,5072,7608,15216

Factors of 15221

List of positive integer factors of 15221 that divides 15221 without a remainder.

1,31,491,15221

Greatest Common Factor

We found the factors and prime factorization of 15216 and 15221. The biggest common factor number is the GCF number.
So the greatest common factor 15216 and 15221 is 1.

Also check out the Least Common Multiple of 15216 and 15221

Properties of GCF 15216 and 15221

(i) The GCF of 15216 and 15221 is associative

GCF of 15216 and 15221 = GCF of 15221 and 15216

Related Greatest Common Factor of 15216

Related Greatest Common Factor of 15221

Frequently Asked Questions on GCF of 15216 and 15221

1. What is the GCF of 15216 and 15221?

Answer: GCF of 15216 and 15221 is 1.

2. What are the Factors of 15216?

Answer: Factors of 15216 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 317, 634, 951, 1268, 1902, 2536, 3804, 5072, 7608, 15216. There are 20 integers that are factors of 15216. The greatest factor of 15216 is 15216.

3. What are the Factors of 15221?

Answer: Factors of 15221 are 1, 31, 491, 15221. There are 4 integers that are factors of 15221. The greatest factor of 15221 is 15221.

4. How to Find the GCF of 15216 and 15221?

Answer:

Greatest Common Factor of 15216 and 15221 = 1

Step 1: Find the prime factorization of 15216

15216 = 2 x 2 x 2 x 2 x 3 x 317

Step 2: Find the prime factorization of 15221

15221 = 31 x 491

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = = 1

Step 4: Therefore, the greatest common factor of 15216 and 15221 is 1