Greatest Common Factor of 1970 and 1972

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 1970, 1972 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1970 and 1972 is 2.

GCF(1970,1972) = 2

GCF of 1970 and 1972

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

GCF of:
and

Greatest Common Factor of 1970 and 1972

GCF of 1970 and 1972 is 2

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

Prime Factorization of 1972


2 1972
2 986
17 493
29 29
1

Prime factors of 1972 are 2,17,29. Prime factorization of 1972 in exponential form is:

1972 = 22×171×291

∴ So by taking common prime factors GCF of 1970 and 1972 is 2

Greatest Common Factor of 1970 and 1972 by matching factors method

Factors of 1970

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

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

Factors of 1972

List of positive integer factors of 1972 that divides 1972 without a remainder.

1,2,4,17,29,34,58,68,116,493,986,1972

Greatest Common Factor

We found the factors and prime factorization of 1970 and 1972. The biggest common factor number is the GCF number.
So the greatest common factor 1970 and 1972 is 2.

Also check out the Least Common Multiple of 1970 and 1972

Properties of GCF 1970 and 1972

(i) The GCF of 1970 and 1972 is associative

GCF of 1970 and 1972 = GCF of 1972 and 1970

Related Greatest Common Factor of 1970

Related Greatest Common Factor of 1972

Frequently Asked Questions on GCF of 1970 and 1972

1. What is the GCF of 1970 and 1972?

Answer: GCF of 1970 and 1972 is 2.

2. 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.

3. What are the Factors of 1972?

Answer: Factors of 1972 are 1, 2, 4, 17, 29, 34, 58, 68, 116, 493, 986, 1972. There are 12 integers that are factors of 1972. The greatest factor of 1972 is 1972.

4. How to Find the GCF of 1970 and 1972?

Answer:

Greatest Common Factor of 1970 and 1972 = 2

Step 1: Find the prime factorization of 1970

1970 = 2 x 5 x 197

Step 2: Find the prime factorization of 1972

1972 = 2 x 2 x 17 x 29

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 1970 and 1972 is 2