Greatest Common Factor of 1964 and 1965

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 1964, 1965 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1964 and 1965 is 1.

GCF(1964,1965) = 1

GCF of 1964 and 1965

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

GCF of:
and

Greatest Common Factor of 1964 and 1965

GCF of 1964 and 1965 is 1

Prime Factorization of 1964


2 1964
2 982
491 491
1

Prime factors of 1964 are 2,491. Prime factorization of 1964 in exponential form is:

1964 = 22×4911

Prime Factorization of 1965


3 1965
5 655
131 131
1

Prime factors of 1965 are 3,5,131. Prime factorization of 1965 in exponential form is:

1965 = 31×51×1311

∴ So by taking common prime factors GCF of 1964 and 1965 is 1

Greatest Common Factor of 1964 and 1965 by matching factors method

Factors of 1964

List of positive integer factors of 1964 that divides 1964 without a remainder.

1,2,4,491,982,1964

Factors of 1965

List of positive integer factors of 1965 that divides 1965 without a remainder.

1,3,5,15,131,393,655,1965

Greatest Common Factor

We found the factors and prime factorization of 1964 and 1965. The biggest common factor number is the GCF number.
So the greatest common factor 1964 and 1965 is 1.

Also check out the Least Common Multiple of 1964 and 1965

Properties of GCF 1964 and 1965

(i) The GCF of 1964 and 1965 is associative

GCF of 1964 and 1965 = GCF of 1965 and 1964

Frequently Asked Questions on GCF of 1964 and 1965

1. What is the GCF of 1964 and 1965?

Answer: GCF of 1964 and 1965 is 1.

2. What are the Factors of 1964?

Answer: Factors of 1964 are 1, 2, 4, 491, 982, 1964. There are 6 integers that are factors of 1964. The greatest factor of 1964 is 1964.

3. What are the Factors of 1965?

Answer: Factors of 1965 are 1, 3, 5, 15, 131, 393, 655, 1965. There are 8 integers that are factors of 1965. The greatest factor of 1965 is 1965.

4. How to Find the GCF of 1964 and 1965?

Answer:

Greatest Common Factor of 1964 and 1965 = 1

Step 1: Find the prime factorization of 1964

1964 = 2 x 2 x 491

Step 2: Find the prime factorization of 1965

1965 = 3 x 5 x 131

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 1964 and 1965 is 1