What is the Greatest Common Factor of 82778 and 82782?

Greatest common factor (GCF) of 82778 and 82782 is 2.

GCF(82778,82782) = 2

We will now calculate the prime factors of 82778 and 82782, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 82778 and 82782.

How to find the GCF of 82778 and 82782?

We will first find the prime factorization of 82778 and 82782. After we will calculate the factors of 82778 and 82782 and find the biggest common factor number .

Step-1: Prime Factorization of 82778

Prime factors of 82778 are 2, 41389. Prime factorization of 82778 in exponential form is:

82778 = 2¹ × 41389¹

Step-2: Prime Factorization of 82782

Prime factors of 82782 are 2, 3, 7, 73. Prime factorization of 82782 in exponential form is:

82782 = 2¹ × 3⁴ × 7¹ × 73¹

Step-3: Factors of 82778

List of positive integer factors of 82778 that divides 82778 without a remainder.

1, 2, 41389

Step-4: Factors of 82782

List of positive integer factors of 82782 that divides 82778 without a remainder.

1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 73, 81, 126, 146, 162, 189, 219, 378, 438, 511, 567, 657, 1022, 1134, 1314, 1533, 1971, 3066, 3942, 4599, 5913, 9198, 11826, 13797, 27594, 41391

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 82778 and 82782. The biggest common factor number is the GCF number.
So the greatest common factor 82778 and 82782 is 2.

Also check out the Least Common Multiple of 82778 and 82782