Greatest Common Factor of 28245 and 28251

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 28245, 28251 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 28245 and 28251 is 3.

GCF(28245,28251) = 3

GCF of 28245 and 28251

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

GCF of:
and

Greatest Common Factor of 28245 and 28251

GCF of 28245 and 28251 is 3

Prime Factorization of 28245


3 28245
5 9415
7 1883
269 269
1

Prime factors of 28245 are 3,5,7,269. Prime factorization of 28245 in exponential form is:

28245 = 31×51×71×2691

Prime Factorization of 28251


3 28251
3 9417
43 3139
73 73
1

Prime factors of 28251 are 3,43,73. Prime factorization of 28251 in exponential form is:

28251 = 32×431×731

∴ So by taking common prime factors GCF of 28245 and 28251 is 3

Greatest Common Factor of 28245 and 28251 by matching factors method

Factors of 28245

List of positive integer factors of 28245 that divides 28245 without a remainder.

1,3,5,7,15,21,35,105,269,807,1345,1883,4035,5649,9415,28245

Factors of 28251

List of positive integer factors of 28251 that divides 28251 without a remainder.

1,3,9,43,73,129,219,387,657,3139,9417,28251

Greatest Common Factor

We found the factors and prime factorization of 28245 and 28251. The biggest common factor number is the GCF number.
So the greatest common factor 28245 and 28251 is 3.

Also check out the Least Common Multiple of 28245 and 28251

Properties of GCF 28245 and 28251

(i) The GCF of 28245 and 28251 is associative

GCF of 28245 and 28251 = GCF of 28251 and 28245

Frequently Asked Questions on GCF of 28245 and 28251

1. What is the GCF of 28245 and 28251?

Answer: GCF of 28245 and 28251 is 3.

2. What are the Factors of 28245?

Answer: Factors of 28245 are 1, 3, 5, 7, 15, 21, 35, 105, 269, 807, 1345, 1883, 4035, 5649, 9415, 28245. There are 16 integers that are factors of 28245. The greatest factor of 28245 is 28245.

3. What are the Factors of 28251?

Answer: Factors of 28251 are 1, 3, 9, 43, 73, 129, 219, 387, 657, 3139, 9417, 28251. There are 12 integers that are factors of 28251. The greatest factor of 28251 is 28251.

4. How to Find the GCF of 28245 and 28251?

Answer:

Greatest Common Factor of 28245 and 28251 = 3

Step 1: Find the prime factorization of 28245

28245 = 3 x 5 x 7 x 269

Step 2: Find the prime factorization of 28251

28251 = 3 x 3 x 43 x 73

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 3

Step 4: Therefore, the greatest common factor of 28245 and 28251 is 3