Greatest Common Factor of 3945 and 3950

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 3945, 3950 i.e. 5 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 3945 and 3950 is 5.

GCF(3945,3950) = 5

GCF of 3945 and 3950

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

GCF of:
and

Greatest Common Factor of 3945 and 3950

GCF of 3945 and 3950 is 5

Prime Factorization of 3945


3 3945
5 1315
263 263
1

Prime factors of 3945 are 3,5,263. Prime factorization of 3945 in exponential form is:

3945 = 31×51×2631

Prime Factorization of 3950


2 3950
5 1975
5 395
79 79
1

Prime factors of 3950 are 2,5,79. Prime factorization of 3950 in exponential form is:

3950 = 21×52×791

∴ So by taking common prime factors GCF of 3945 and 3950 is 5

Greatest Common Factor of 3945 and 3950 by matching factors method

Factors of 3945

List of positive integer factors of 3945 that divides 3945 without a remainder.

1,3,5,15,263,789,1315,3945

Factors of 3950

List of positive integer factors of 3950 that divides 3950 without a remainder.

1,2,5,10,25,50,79,158,395,790,1975,3950

Greatest Common Factor

We found the factors and prime factorization of 3945 and 3950. The biggest common factor number is the GCF number.
So the greatest common factor 3945 and 3950 is 5.

Also check out the Least Common Multiple of 3945 and 3950

Properties of GCF 3945 and 3950

(i) The GCF of 3945 and 3950 is associative

GCF of 3945 and 3950 = GCF of 3950 and 3945

Related Greatest Common Factor of 3945

Related Greatest Common Factor of 3950

Frequently Asked Questions on GCF of 3945 and 3950

1. What is the GCF of 3945 and 3950?

Answer: GCF of 3945 and 3950 is 5.

2. What are the Factors of 3945?

Answer: Factors of 3945 are 1, 3, 5, 15, 263, 789, 1315, 3945. There are 8 integers that are factors of 3945. The greatest factor of 3945 is 3945.

3. What are the Factors of 3950?

Answer: Factors of 3950 are 1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950. There are 12 integers that are factors of 3950. The greatest factor of 3950 is 3950.

4. How to Find the GCF of 3945 and 3950?

Answer:

Greatest Common Factor of 3945 and 3950 = 5

Step 1: Find the prime factorization of 3945

3945 = 3 x 5 x 263

Step 2: Find the prime factorization of 3950

3950 = 2 x 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 = 5

Step 4: Therefore, the greatest common factor of 3945 and 3950 is 5