What is the Greatest Common Factor of 65428 and 65436?

Greatest common factor (GCF) of 65428 and 65436 is 4.

GCF(65428,65436) = 4

We will now calculate the prime factors of 65428 and 65436, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65428 and 65436.

How to find the GCF of 65428 and 65436?

We will first find the prime factorization of 65428 and 65436. After we will calculate the factors of 65428 and 65436 and find the biggest common factor number .

Step-1: Prime Factorization of 65428

Prime factors of 65428 are 2, 11, 1487. Prime factorization of 65428 in exponential form is:

65428 = 2² × 11¹ × 1487¹

Step-2: Prime Factorization of 65436

Prime factors of 65436 are 2, 3, 7, 19, 41. Prime factorization of 65436 in exponential form is:

65436 = 2² × 3¹ × 7¹ × 19¹ × 41¹

Step-3: Factors of 65428

List of positive integer factors of 65428 that divides 65428 without a remainder.

1, 2, 4, 11, 22, 44, 1487, 2974, 5948, 16357, 32714

Step-4: Factors of 65436

List of positive integer factors of 65436 that divides 65428 without a remainder.

1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 41, 42, 57, 76, 82, 84, 114, 123, 133, 164, 228, 246, 266, 287, 399, 492, 532, 574, 779, 798, 861, 1148, 1558, 1596, 1722, 2337, 3116, 3444, 4674, 5453, 9348, 10906, 16359, 21812, 32718

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65428 and 65436. The biggest common factor number is the GCF number.
So the greatest common factor 65428 and 65436 is 4.

Also check out the Least Common Multiple of 65428 and 65436