What is the Greatest Common Factor of 20253 and 20270?

Greatest common factor (GCF) of 20253 and 20270 is 1.

GCF(20253,20270) = 1

We will now calculate the prime factors of 20253 and 20270, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20253 and 20270.

How to find the GCF of 20253 and 20270?

We will first find the prime factorization of 20253 and 20270. After we will calculate the factors of 20253 and 20270 and find the biggest common factor number .

Step-1: Prime Factorization of 20253

Prime factors of 20253 are 3, 43, 157. Prime factorization of 20253 in exponential form is:

20253 = 3¹ × 43¹ × 157¹

Step-2: Prime Factorization of 20270

Prime factors of 20270 are 2, 5, 2027. Prime factorization of 20270 in exponential form is:

20270 = 2¹ × 5¹ × 2027¹

Step-3: Factors of 20253

List of positive integer factors of 20253 that divides 20253 without a remainder.

1, 3, 43, 129, 157, 471, 6751

Step-4: Factors of 20270

List of positive integer factors of 20270 that divides 20253 without a remainder.

1, 2, 5, 10, 2027, 4054, 10135

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20253 and 20270. The biggest common factor number is the GCF number.
So the greatest common factor 20253 and 20270 is 1.

Also check out the Least Common Multiple of 20253 and 20270