Greatest Common Factor of 1968 and 1970

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 1968, 1970 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1968 and 1970 is 2.

GCF(1968,1970) = 2

GCF of 1968 and 1970

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

GCF of:
and

Greatest Common Factor of 1968 and 1970

GCF of 1968 and 1970 is 2

Prime Factorization of 1968


2 1968
2 984
2 492
2 246
3 123
41 41
1

Prime factors of 1968 are 2,3,41. Prime factorization of 1968 in exponential form is:

1968 = 24×31×411

Prime Factorization of 1970


2 1970
5 985
197 197
1

Prime factors of 1970 are 2,5,197. Prime factorization of 1970 in exponential form is:

1970 = 21×51×1971

∴ So by taking common prime factors GCF of 1968 and 1970 is 2

Greatest Common Factor of 1968 and 1970 by matching factors method

Factors of 1968

List of positive integer factors of 1968 that divides 1968 without a remainder.

1,2,3,4,6,8,12,16,24,41,48,82,123,164,246,328,492,656,984,1968

Factors of 1970

List of positive integer factors of 1970 that divides 1970 without a remainder.

1,2,5,10,197,394,985,1970

Greatest Common Factor

We found the factors and prime factorization of 1968 and 1970. The biggest common factor number is the GCF number.
So the greatest common factor 1968 and 1970 is 2.

Also check out the Least Common Multiple of 1968 and 1970

Properties of GCF 1968 and 1970

(i) The GCF of 1968 and 1970 is associative

GCF of 1968 and 1970 = GCF of 1970 and 1968

Frequently Asked Questions on GCF of 1968 and 1970

1. What is the GCF of 1968 and 1970?

Answer: GCF of 1968 and 1970 is 2.

2. What are the Factors of 1968?

Answer: Factors of 1968 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968. There are 20 integers that are factors of 1968. The greatest factor of 1968 is 1968.

3. What are the Factors of 1970?

Answer: Factors of 1970 are 1, 2, 5, 10, 197, 394, 985, 1970. There are 8 integers that are factors of 1970. The greatest factor of 1970 is 1970.

4. How to Find the GCF of 1968 and 1970?

Answer:

Greatest Common Factor of 1968 and 1970 = 2

Step 1: Find the prime factorization of 1968

1968 = 2 x 2 x 2 x 2 x 3 x 41

Step 2: Find the prime factorization of 1970

1970 = 2 x 5 x 197

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

GCF = 2

Step 4: Therefore, the greatest common factor of 1968 and 1970 is 2