Greatest Common Factor of 1243 and 1250

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 1243, 1250 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1243 and 1250 is 1.

GCF(1243,1250) = 1

GCF of 1243 and 1250

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

GCF of:
and

Greatest Common Factor of 1243 and 1250

GCF of 1243 and 1250 is 1

Prime Factorization of 1243


11 1243
113 113
1

Prime factors of 1243 are 11,113. Prime factorization of 1243 in exponential form is:

1243 = 111×1131

Prime Factorization of 1250


2 1250
5 625
5 125
5 25
5 5
1

Prime factors of 1250 are 2,5. Prime factorization of 1250 in exponential form is:

1250 = 21×54

∴ So by taking common prime factors GCF of 1243 and 1250 is 1

Greatest Common Factor of 1243 and 1250 by matching factors method

Factors of 1243

List of positive integer factors of 1243 that divides 1243 without a remainder.

1,11,113,1243

Factors of 1250

List of positive integer factors of 1250 that divides 1250 without a remainder.

1,2,5,10,25,50,125,250,625,1250

Greatest Common Factor

We found the factors and prime factorization of 1243 and 1250. The biggest common factor number is the GCF number.
So the greatest common factor 1243 and 1250 is 1.

Also check out the Least Common Multiple of 1243 and 1250

Properties of GCF 1243 and 1250

(i) The GCF of 1243 and 1250 is associative

GCF of 1243 and 1250 = GCF of 1250 and 1243

Related Greatest Common Factor of 1243

Related Greatest Common Factor of 1250

Frequently Asked Questions on GCF of 1243 and 1250

1. What is the GCF of 1243 and 1250?

Answer: GCF of 1243 and 1250 is 1.

2. What are the Factors of 1243?

Answer: Factors of 1243 are 1, 11, 113, 1243. There are 4 integers that are factors of 1243. The greatest factor of 1243 is 1243.

3. What are the Factors of 1250?

Answer: Factors of 1250 are 1, 2, 5, 10, 25, 50, 125, 250, 625, 1250. There are 10 integers that are factors of 1250. The greatest factor of 1250 is 1250.

4. How to Find the GCF of 1243 and 1250?

Answer:

Greatest Common Factor of 1243 and 1250 = 1

Step 1: Find the prime factorization of 1243

1243 = 11 x 113

Step 2: Find the prime factorization of 1250

1250 = 2 x 5 x 5 x 5 x 5

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 1243 and 1250 is 1