Greatest Common Factor of 643 and 650

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 643, 650 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 643 and 650 is 1.

GCF(643,650) = 1

GCF of 643 and 650

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

GCF of:
and

Greatest Common Factor of 643 and 650

GCF of 643 and 650 is 1

Prime Factorization of 643


643 643
1

Prime factors of 643 are 643. Prime factorization of 643 in exponential form is:

643 = 6431

Prime Factorization of 650


2 650
5 325
5 65
13 13
1

Prime factors of 650 are 2.Prime factorization of 650 in exponential form is:

650 = 21×52×131

∴ So by taking common prime factors GCF of 643 and 650 is 1

Greatest Common Factor of 643 and 650 by matching factors method

Factors of 643

List of positive integer factors of 643 that divides 643 without a remainder.

1,643

Factors of 650

List of positive integer factors of 650 that divides 650 without a remainder.

1,2,5,10,13,25,26,50,65,130,325,650

Greatest Common Factor

We found the factors and prime factorization of 643 and 650. The biggest common factor number is the GCF number.
So the greatest common factor 643 and 650 is 1.

Also check out the Least Common Multiple of 643 and 650

Properties of GCF 643 and 650

(i) The GCF of 643 and 650 is associative

GCF of 643 and 650 = GCF of 650 and 643

Related Greatest Common Factor of 643

Related Greatest Common Factor of 650

Frequently Asked Questions on GCF of 643 and 650

1. What is the GCF of 643 and 650?

Answer: GCF of 643 and 650 is 1.

2. What are the Factors of 643?

Answer: Factors of 643 are 1, 643. There are 2 integers that are factors of 643. The greatest factor of 643 is 643.

3. What are the Factors of 650?

Answer: Factors of 650 are 1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650. There are 12 integers that are factors of 650. The greatest factor of 650 is 650.

4. How to Find the GCF of 643 and 650?

Answer:

Greatest Common Factor of 643 and 650 = 1

Step 1: Find the prime factorization of 643

643 = 643

Step 2: Find the prime factorization of 650

650 = 2 x 5 x 5 x 13

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 643 and 650 is 1