What is the Greatest Common Factor of 84780 and 84784?

Greatest common factor (GCF) of 84780 and 84784 is 4.

GCF(84780,84784) = 4

We will now calculate the prime factors of 84780 and 84784, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 84780 and 84784.

How to find the GCF of 84780 and 84784?

We will first find the prime factorization of 84780 and 84784. After we will calculate the factors of 84780 and 84784 and find the biggest common factor number .

Step-1: Prime Factorization of 84780

Prime factors of 84780 are 2, 3, 5, 157. Prime factorization of 84780 in exponential form is:

84780 = 2² × 3³ × 5¹ × 157¹

Step-2: Prime Factorization of 84784

Prime factors of 84784 are 2, 7, 757. Prime factorization of 84784 in exponential form is:

84784 = 2⁴ × 7¹ × 757¹

Step-3: Factors of 84780

List of positive integer factors of 84780 that divides 84780 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 157, 180, 270, 314, 471, 540, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4239, 4710, 5652, 7065, 8478, 9420, 14130, 16956, 21195, 28260, 42390

Step-4: Factors of 84784

List of positive integer factors of 84784 that divides 84780 without a remainder.

1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 757, 1514, 3028, 5299, 6056, 10598, 12112, 21196, 42392

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 84780 and 84784. The biggest common factor number is the GCF number.
So the greatest common factor 84780 and 84784 is 4.

Also check out the Least Common Multiple of 84780 and 84784