Greatest Common Factor of 1971 and 1979

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 1971, 1979 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1971 and 1979 is 1.

GCF(1971,1979) = 1

GCF of 1971 and 1979

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

GCF of:
and

Greatest Common Factor of 1971 and 1979

GCF of 1971 and 1979 is 1

Prime Factorization of 1971


3 1971
3 657
3 219
73 73
1

Prime factors of 1971 are 3,73. Prime factorization of 1971 in exponential form is:

1971 = 33×731

Prime Factorization of 1979


1979 1979
1

Prime factors of 1979 are 1979. Prime factorization of 1979 in exponential form is:

1979 = 19791

∴ So by taking common prime factors GCF of 1971 and 1979 is 1

Greatest Common Factor of 1971 and 1979 by matching factors method

Factors of 1971

List of positive integer factors of 1971 that divides 1971 without a remainder.

1,3,9,27,73,219,657,1971

Factors of 1979

List of positive integer factors of 1979 that divides 1979 without a remainder.

1,1979

Greatest Common Factor

We found the factors and prime factorization of 1971 and 1979. The biggest common factor number is the GCF number.
So the greatest common factor 1971 and 1979 is 1.

Also check out the Least Common Multiple of 1971 and 1979

Properties of GCF 1971 and 1979

(i) The GCF of 1971 and 1979 is associative

GCF of 1971 and 1979 = GCF of 1979 and 1971

Related Greatest Common Factor of 1971

Related Greatest Common Factor of 1979

Frequently Asked Questions on GCF of 1971 and 1979

1. What is the GCF of 1971 and 1979?

Answer: GCF of 1971 and 1979 is 1.

2. What are the Factors of 1971?

Answer: Factors of 1971 are 1, 3, 9, 27, 73, 219, 657, 1971. There are 8 integers that are factors of 1971. The greatest factor of 1971 is 1971.

3. What are the Factors of 1979?

Answer: Factors of 1979 are 1, 1979. There are 2 integers that are factors of 1979. The greatest factor of 1979 is 1979.

4. How to Find the GCF of 1971 and 1979?

Answer:

Greatest Common Factor of 1971 and 1979 = 1

Step 1: Find the prime factorization of 1971

1971 = 3 x 3 x 3 x 73

Step 2: Find the prime factorization of 1979

1979 = 1979

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 1971 and 1979 is 1