GCF and LCM Calculator Logo

What is the Greatest Common Factor of 42786 and 42803?

Greatest common factor (GCF) of 42786 and 42803 is 1.

GCF(42786,42803) = 1

We will now calculate the prime factors of 42786 and 42803, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42786 and 42803.

GCF Calculator and
and

How to find the GCF of 42786 and 42803?

We will first find the prime factorization of 42786 and 42803. After we will calculate the factors of 42786 and 42803 and find the biggest common factor number .

Step-1: Prime Factorization of 42786

Prime factors of 42786 are 2, 3, 2377. Prime factorization of 42786 in exponential form is:

42786 = 21 × 32 × 23771

Step-2: Prime Factorization of 42803

Prime factors of 42803 are 23, 1861. Prime factorization of 42803 in exponential form is:

42803 = 231 × 18611

Step-3: Factors of 42786

List of positive integer factors of 42786 that divides 42786 without a remainder.

1, 2, 3, 6, 9, 18, 2377, 4754, 7131, 14262, 21393

Step-4: Factors of 42803

List of positive integer factors of 42803 that divides 42786 without a remainder.

1, 23, 1861

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42786 and 42803. The biggest common factor number is the GCF number.
So the greatest common factor 42786 and 42803 is 1.

Also check out the Least Common Multiple of 42786 and 42803