What is the Greatest Common Factor of 42820 and 42826?

Greatest common factor (GCF) of 42820 and 42826 is 2.

GCF(42820,42826) = 2

We will now calculate the prime factors of 42820 and 42826, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42820 and 42826.

How to find the GCF of 42820 and 42826?

We will first find the prime factorization of 42820 and 42826. After we will calculate the factors of 42820 and 42826 and find the biggest common factor number .

Step-1: Prime Factorization of 42820

Prime factors of 42820 are 2, 5, 2141. Prime factorization of 42820 in exponential form is:

42820 = 2² × 5¹ × 2141¹

Step-2: Prime Factorization of 42826

Prime factors of 42826 are 2, 7, 19, 23. Prime factorization of 42826 in exponential form is:

42826 = 2¹ × 7² × 19¹ × 23¹

Step-3: Factors of 42820

List of positive integer factors of 42820 that divides 42820 without a remainder.

1, 2, 4, 5, 10, 20, 2141, 4282, 8564, 10705, 21410

Step-4: Factors of 42826

List of positive integer factors of 42826 that divides 42820 without a remainder.

1, 2, 7, 14, 19, 23, 38, 46, 49, 98, 133, 161, 266, 322, 437, 874, 931, 1127, 1862, 2254, 3059, 6118, 21413

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42820 and 42826. The biggest common factor number is the GCF number.
So the greatest common factor 42820 and 42826 is 2.

Also check out the Least Common Multiple of 42820 and 42826