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 12416, 12421 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 12416 and 12421 is 1.
GCF(12416,12421) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 12416
2 | 12416 |
2 | 6208 |
2 | 3104 |
2 | 1552 |
2 | 776 |
2 | 388 |
2 | 194 |
97 | 97 |
1 |
Prime factors of 12416 are 2,97. Prime factorization of 12416 in exponential form is:
12416 = 27×971
Prime Factorization of 12421
12421 | 12421 |
1 |
Prime factors of 12421 are 12421. Prime factorization of 12421 in exponential form is:
12421 = 124211
∴ So by taking common prime factors GCF of 12416 and 12421 is 1
Factors of 12416
List of positive integer factors of 12416 that divides 12416 without a remainder.
1,2,4,8,16,32,64,97,128,194,388,776,1552,3104,6208,12416
Factors of 12421
List of positive integer factors of 12421 that divides 12421 without a remainder.
1,12421
Greatest Common Factor
We found the factors and prime factorization of 12416 and 12421. The biggest common factor number is the GCF number.
So the greatest common factor 12416 and 12421 is 1.
Also check out the Least Common Multiple of 12416 and 12421
(i) The GCF of 12416 and 12421 is associative
GCF of 12416 and 12421 = GCF of 12421 and 12416
1. What is the GCF of 12416 and 12421?
Answer: GCF of 12416 and 12421 is 1.
2. What are the Factors of 12416?
Answer: Factors of 12416 are 1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 388, 776, 1552, 3104, 6208, 12416. There are 16 integers that are factors of 12416. The greatest factor of 12416 is 12416.
3. What are the Factors of 12421?
Answer: Factors of 12421 are 1, 12421. There are 2 integers that are factors of 12421. The greatest factor of 12421 is 12421.
4. How to Find the GCF of 12416 and 12421?
Answer:
Greatest Common Factor of 12416 and 12421 = 1
Step 1: Find the prime factorization of 12416
12416 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 97
Step 2: Find the prime factorization of 12421
12421 = 12421
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 12416 and 12421 is 1