What is the Greatest Common Factor of 42104 and 42108?

Greatest common factor (GCF) of 42104 and 42108 is 4.

GCF(42104,42108) = 4

We will now calculate the prime factors of 42104 and 42108, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42104 and 42108.

How to find the GCF of 42104 and 42108?

We will first find the prime factorization of 42104 and 42108. After we will calculate the factors of 42104 and 42108 and find the biggest common factor number .

Step-1: Prime Factorization of 42104

Prime factors of 42104 are 2, 19, 277. Prime factorization of 42104 in exponential form is:

42104 = 2³ × 19¹ × 277¹

Step-2: Prime Factorization of 42108

Prime factors of 42108 are 2, 3, 11, 29. Prime factorization of 42108 in exponential form is:

42108 = 2² × 3¹ × 11² × 29¹

Step-3: Factors of 42104

List of positive integer factors of 42104 that divides 42104 without a remainder.

1, 2, 4, 8, 19, 38, 76, 152, 277, 554, 1108, 2216, 5263, 10526, 21052

Step-4: Factors of 42108

List of positive integer factors of 42108 that divides 42104 without a remainder.

1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 66, 87, 116, 121, 132, 174, 242, 319, 348, 363, 484, 638, 726, 957, 1276, 1452, 1914, 3509, 3828, 7018, 10527, 14036, 21054

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42104 and 42108. The biggest common factor number is the GCF number.
So the greatest common factor 42104 and 42108 is 4.

Also check out the Least Common Multiple of 42104 and 42108