What is the Greatest Common Factor of 69781 and 69789?

Greatest common factor (GCF) of 69781 and 69789 is 1.

GCF(69781,69789) = 1

We will now calculate the prime factors of 69781 and 69789, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69781 and 69789.

How to find the GCF of 69781 and 69789?

We will first find the prime factorization of 69781 and 69789. After we will calculate the factors of 69781 and 69789 and find the biggest common factor number .

Step-1: Prime Factorization of 69781

Prime factors of 69781 are 31, 2251. Prime factorization of 69781 in exponential form is:

69781 = 31¹ × 2251¹

Step-2: Prime Factorization of 69789

Prime factors of 69789 are 3, 43, 541. Prime factorization of 69789 in exponential form is:

69789 = 3¹ × 43¹ × 541¹

Step-3: Factors of 69781

List of positive integer factors of 69781 that divides 69781 without a remainder.

1, 31, 2251

Step-4: Factors of 69789

List of positive integer factors of 69789 that divides 69781 without a remainder.

1, 3, 43, 129, 541, 1623, 23263

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69781 and 69789. The biggest common factor number is the GCF number.
So the greatest common factor 69781 and 69789 is 1.

Also check out the Least Common Multiple of 69781 and 69789