GCF and LCM Calculator Logo

What is the Greatest Common Factor of 20195 and 20213?

Greatest common factor (GCF) of 20195 and 20213 is 1.

GCF(20195,20213) = 1

We will now calculate the prime factors of 20195 and 20213, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20195 and 20213.

GCF Calculator and
and

How to find the GCF of 20195 and 20213?

We will first find the prime factorization of 20195 and 20213. After we will calculate the factors of 20195 and 20213 and find the biggest common factor number .

Step-1: Prime Factorization of 20195

Prime factors of 20195 are 5, 7, 577. Prime factorization of 20195 in exponential form is:

20195 = 51 × 71 × 5771

Step-2: Prime Factorization of 20213

Prime factors of 20213 are 17, 29, 41. Prime factorization of 20213 in exponential form is:

20213 = 171 × 291 × 411

Step-3: Factors of 20195

List of positive integer factors of 20195 that divides 20195 without a remainder.

1, 5, 7, 35, 577, 2885, 4039

Step-4: Factors of 20213

List of positive integer factors of 20213 that divides 20195 without a remainder.

1, 17, 29, 41, 493, 697, 1189

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20195 and 20213. The biggest common factor number is the GCF number.
So the greatest common factor 20195 and 20213 is 1.

Also check out the Least Common Multiple of 20195 and 20213