Greatest Common Factor of 1995 and 1997

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 1995, 1997 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1995 and 1997 is 1.

GCF(1995,1997) = 1

GCF of 1995 and 1997

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

GCF of:
and

Greatest Common Factor of 1995 and 1997

GCF of 1995 and 1997 is 1

Prime Factorization of 1995


3 1995
5 665
7 133
19 19
1

Prime factors of 1995 are 3,5,7,19. Prime factorization of 1995 in exponential form is:

1995 = 31×51×71×191

Prime Factorization of 1997


1997 1997
1

Prime factors of 1997 are 1997. Prime factorization of 1997 in exponential form is:

1997 = 19971

∴ So by taking common prime factors GCF of 1995 and 1997 is 1

Greatest Common Factor of 1995 and 1997 by matching factors method

Factors of 1995

List of positive integer factors of 1995 that divides 1995 without a remainder.

1,3,5,7,15,19,21,35,57,95,105,133,285,399,665,1995

Factors of 1997

List of positive integer factors of 1997 that divides 1997 without a remainder.

1,1997

Greatest Common Factor

We found the factors and prime factorization of 1995 and 1997. The biggest common factor number is the GCF number.
So the greatest common factor 1995 and 1997 is 1.

Also check out the Least Common Multiple of 1995 and 1997

Properties of GCF 1995 and 1997

(i) The GCF of 1995 and 1997 is associative

GCF of 1995 and 1997 = GCF of 1997 and 1995

Frequently Asked Questions on GCF of 1995 and 1997

1. What is the GCF of 1995 and 1997?

Answer: GCF of 1995 and 1997 is 1.

2. What are the Factors of 1995?

Answer: Factors of 1995 are 1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995. There are 16 integers that are factors of 1995. The greatest factor of 1995 is 1995.

3. What are the Factors of 1997?

Answer: Factors of 1997 are 1, 1997. There are 2 integers that are factors of 1997. The greatest factor of 1997 is 1997.

4. How to Find the GCF of 1995 and 1997?

Answer:

Greatest Common Factor of 1995 and 1997 = 1

Step 1: Find the prime factorization of 1995

1995 = 3 x 5 x 7 x 19

Step 2: Find the prime factorization of 1997

1997 = 1997

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 1995 and 1997 is 1