Greatest Common Factor of 3940 and 3946

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 3940, 3946 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 3940 and 3946 is 2.

GCF(3940,3946) = 2

GCF of 3940 and 3946

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

GCF of:
and

Greatest Common Factor of 3940 and 3946

GCF of 3940 and 3946 is 2

Prime Factorization of 3940


2 3940
2 1970
5 985
197 197
1

Prime factors of 3940 are 2,5,197. Prime factorization of 3940 in exponential form is:

3940 = 22×51×1971

Prime Factorization of 3946


2 3946
1973 1973
1

Prime factors of 3946 are 2,1973. Prime factorization of 3946 in exponential form is:

3946 = 21×19731

∴ So by taking common prime factors GCF of 3940 and 3946 is 2

Greatest Common Factor of 3940 and 3946 by matching factors method

Factors of 3940

List of positive integer factors of 3940 that divides 3940 without a remainder.

1,2,4,5,10,20,197,394,788,985,1970,3940

Factors of 3946

List of positive integer factors of 3946 that divides 3946 without a remainder.

1,2,1973,3946

Greatest Common Factor

We found the factors and prime factorization of 3940 and 3946. The biggest common factor number is the GCF number.
So the greatest common factor 3940 and 3946 is 2.

Also check out the Least Common Multiple of 3940 and 3946

Properties of GCF 3940 and 3946

(i) The GCF of 3940 and 3946 is associative

GCF of 3940 and 3946 = GCF of 3946 and 3940

Frequently Asked Questions on GCF of 3940 and 3946

1. What is the GCF of 3940 and 3946?

Answer: GCF of 3940 and 3946 is 2.

2. What are the Factors of 3940?

Answer: Factors of 3940 are 1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940. There are 12 integers that are factors of 3940. The greatest factor of 3940 is 3940.

3. What are the Factors of 3946?

Answer: Factors of 3946 are 1, 2, 1973, 3946. There are 4 integers that are factors of 3946. The greatest factor of 3946 is 3946.

4. How to Find the GCF of 3940 and 3946?

Answer:

Greatest Common Factor of 3940 and 3946 = 2

Step 1: Find the prime factorization of 3940

3940 = 2 x 2 x 5 x 197

Step 2: Find the prime factorization of 3946

3946 = 2 x 1973

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 3940 and 3946 is 2