Greatest Common Factor of 1228 and 1236

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 1228, 1236 i.e. 4 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1228 and 1236 is 4.

GCF(1228,1236) = 4

GCF of 1228 and 1236

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

GCF of:
and

Greatest Common Factor of 1228 and 1236

GCF of 1228 and 1236 is 4

Prime Factorization of 1228


2 1228
2 614
307 307
1

Prime factors of 1228 are 2,307. Prime factorization of 1228 in exponential form is:

1228 = 22×3071

Prime Factorization of 1236


2 1236
2 618
3 309
103 103
1

Prime factors of 1236 are 2,3,103. Prime factorization of 1236 in exponential form is:

1236 = 22×31×1031

∴ So by taking common prime factors GCF of 1228 and 1236 is 4

Greatest Common Factor of 1228 and 1236 by matching factors method

Factors of 1228

List of positive integer factors of 1228 that divides 1228 without a remainder.

1,2,4,307,614,1228

Factors of 1236

List of positive integer factors of 1236 that divides 1236 without a remainder.

1,2,3,4,6,12,103,206,309,412,618,1236

Greatest Common Factor

We found the factors and prime factorization of 1228 and 1236. The biggest common factor number is the GCF number.
So the greatest common factor 1228 and 1236 is 4.

Also check out the Least Common Multiple of 1228 and 1236

Properties of GCF 1228 and 1236

(i) The GCF of 1228 and 1236 is associative

GCF of 1228 and 1236 = GCF of 1236 and 1228

Frequently Asked Questions on GCF of 1228 and 1236

1. What is the GCF of 1228 and 1236?

Answer: GCF of 1228 and 1236 is 4.

2. What are the Factors of 1228?

Answer: Factors of 1228 are 1, 2, 4, 307, 614, 1228. There are 6 integers that are factors of 1228. The greatest factor of 1228 is 1228.

3. What are the Factors of 1236?

Answer: Factors of 1236 are 1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236. There are 12 integers that are factors of 1236. The greatest factor of 1236 is 1236.

4. How to Find the GCF of 1228 and 1236?

Answer:

Greatest Common Factor of 1228 and 1236 = 4

Step 1: Find the prime factorization of 1228

1228 = 2 x 2 x 307

Step 2: Find the prime factorization of 1236

1236 = 2 x 2 x 3 x 103

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

GCF = 2 x 2 = 4

Step 4: Therefore, the greatest common factor of 1228 and 1236 is 4