What is the Greatest Common Factor of 22720 and 22729?

Greatest common factor (GCF) of 22720 and 22729 is 1.

GCF(22720,22729) = 1

We will now calculate the prime factors of 22720 and 22729, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 22720 and 22729.

How to find the GCF of 22720 and 22729?

We will first find the prime factorization of 22720 and 22729. After we will calculate the factors of 22720 and 22729 and find the biggest common factor number .

Step-1: Prime Factorization of 22720

Prime factors of 22720 are 2, 5, 71. Prime factorization of 22720 in exponential form is:

22720 = 2⁶ × 5¹ × 71¹

Step-2: Prime Factorization of 22729

Prime factors of 22729 are 7, 17, 191. Prime factorization of 22729 in exponential form is:

22729 = 7¹ × 17¹ × 191¹

Step-3: Factors of 22720

List of positive integer factors of 22720 that divides 22720 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 11360

Step-4: Factors of 22729

List of positive integer factors of 22729 that divides 22720 without a remainder.

1, 7, 17, 119, 191, 1337, 3247

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 22720 and 22729. The biggest common factor number is the GCF number.
So the greatest common factor 22720 and 22729 is 1.

Also check out the Least Common Multiple of 22720 and 22729