What is the Greatest Common Factor of 42355 and 42372?

Greatest common factor (GCF) of 42355 and 42372 is 1.

GCF(42355,42372) = 1

We will now calculate the prime factors of 42355 and 42372, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42355 and 42372.

How to find the GCF of 42355 and 42372?

We will first find the prime factorization of 42355 and 42372. After we will calculate the factors of 42355 and 42372 and find the biggest common factor number .

Step-1: Prime Factorization of 42355

Prime factors of 42355 are 5, 43, 197. Prime factorization of 42355 in exponential form is:

42355 = 5¹ × 43¹ × 197¹

Step-2: Prime Factorization of 42372

Prime factors of 42372 are 2, 3, 11, 107. Prime factorization of 42372 in exponential form is:

42372 = 2² × 3² × 11¹ × 107¹

Step-3: Factors of 42355

List of positive integer factors of 42355 that divides 42355 without a remainder.

1, 5, 43, 197, 215, 985, 8471

Step-4: Factors of 42372

List of positive integer factors of 42372 that divides 42355 without a remainder.

1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 107, 132, 198, 214, 321, 396, 428, 642, 963, 1177, 1284, 1926, 2354, 3531, 3852, 4708, 7062, 10593, 14124, 21186

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42355 and 42372. The biggest common factor number is the GCF number.
So the greatest common factor 42355 and 42372 is 1.

Also check out the Least Common Multiple of 42355 and 42372