GCF and LCM Calculator Logo

What is the Greatest Common Factor of 51221 and 51228?

Greatest common factor (GCF) of 51221 and 51228 is 1.

GCF(51221,51228) = 1

We will now calculate the prime factors of 51221 and 51228, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51221 and 51228.

GCF Calculator and
and

How to find the GCF of 51221 and 51228?

We will first find the prime factorization of 51221 and 51228. After we will calculate the factors of 51221 and 51228 and find the biggest common factor number .

Step-1: Prime Factorization of 51221

Prime factors of 51221 are 17, 23, 131. Prime factorization of 51221 in exponential form is:

51221 = 171 × 231 × 1311

Step-2: Prime Factorization of 51228

Prime factors of 51228 are 2, 3, 1423. Prime factorization of 51228 in exponential form is:

51228 = 22 × 32 × 14231

Step-3: Factors of 51221

List of positive integer factors of 51221 that divides 51221 without a remainder.

1, 17, 23, 131, 391, 2227, 3013

Step-4: Factors of 51228

List of positive integer factors of 51228 that divides 51221 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 1423, 2846, 4269, 5692, 8538, 12807, 17076, 25614

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51221 and 51228. The biggest common factor number is the GCF number.
So the greatest common factor 51221 and 51228 is 1.

Also check out the Least Common Multiple of 51221 and 51228