Greatest Common Factor of 1971 and 1975

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, 1975 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1971 and 1975 is 1.

GCF(1971,1975) = 1

GCF of 1971 and 1975

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

GCF of:
and

Greatest Common Factor of 1971 and 1975

GCF of 1971 and 1975 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 1975


5 1975
5 395
79 79
1

Prime factors of 1975 are 5,79. Prime factorization of 1975 in exponential form is:

1975 = 52×791

∴ So by taking common prime factors GCF of 1971 and 1975 is 1

Greatest Common Factor of 1971 and 1975 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 1975

List of positive integer factors of 1975 that divides 1975 without a remainder.

1,5,25,79,395,1975

Greatest Common Factor

We found the factors and prime factorization of 1971 and 1975. The biggest common factor number is the GCF number.
So the greatest common factor 1971 and 1975 is 1.

Also check out the Least Common Multiple of 1971 and 1975

Properties of GCF 1971 and 1975

(i) The GCF of 1971 and 1975 is associative

GCF of 1971 and 1975 = GCF of 1975 and 1971

Related Greatest Common Factor of 1971

Related Greatest Common Factor of 1975

Frequently Asked Questions on GCF of 1971 and 1975

1. What is the GCF of 1971 and 1975?

Answer: GCF of 1971 and 1975 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 1975?

Answer: Factors of 1975 are 1, 5, 25, 79, 395, 1975. There are 6 integers that are factors of 1975. The greatest factor of 1975 is 1975.

4. How to Find the GCF of 1971 and 1975?

Answer:

Greatest Common Factor of 1971 and 1975 = 1

Step 1: Find the prime factorization of 1971

1971 = 3 x 3 x 3 x 73

Step 2: Find the prime factorization of 1975

1975 = 5 x 5 x 79

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 1975 is 1