What is the Greatest Common Factor of 42343 and 42355?

Greatest common factor (GCF) of 42343 and 42355 is 1.

GCF(42343,42355) = 1

We will now calculate the prime factors of 42343 and 42355, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42343 and 42355.

How to find the GCF of 42343 and 42355?

We will first find the prime factorization of 42343 and 42355. After we will calculate the factors of 42343 and 42355 and find the biggest common factor number .

Step-1: Prime Factorization of 42343

Prime factors of 42343 are 7, 23, 263. Prime factorization of 42343 in exponential form is:

42343 = 7¹ × 23¹ × 263¹

Step-2: 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-3: Factors of 42343

List of positive integer factors of 42343 that divides 42343 without a remainder.

1, 7, 23, 161, 263, 1841, 6049

Step-4: Factors of 42355

List of positive integer factors of 42355 that divides 42343 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42343 and 42355. The biggest common factor number is the GCF number.
So the greatest common factor 42343 and 42355 is 1.

Also check out the Least Common Multiple of 42343 and 42355