What is the Greatest Common Factor of 81690 and 81703?

Greatest common factor (GCF) of 81690 and 81703 is 1.

GCF(81690,81703) = 1

We will now calculate the prime factors of 81690 and 81703, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81690 and 81703.

How to find the GCF of 81690 and 81703?

We will first find the prime factorization of 81690 and 81703. After we will calculate the factors of 81690 and 81703 and find the biggest common factor number .

Step-1: Prime Factorization of 81690

Prime factors of 81690 are 2, 3, 5, 7, 389. Prime factorization of 81690 in exponential form is:

81690 = 2¹ × 3¹ × 5¹ × 7¹ × 389¹

Step-2: Prime Factorization of 81703

Prime factors of 81703 are 81703. Prime factorization of 81703 in exponential form is:

81703 = 81703¹

Step-3: Factors of 81690

List of positive integer factors of 81690 that divides 81690 without a remainder.

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 389, 778, 1167, 1945, 2334, 2723, 3890, 5446, 5835, 8169, 11670, 13615, 16338, 27230, 40845

Step-4: Factors of 81703

List of positive integer factors of 81703 that divides 81690 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81690 and 81703. The biggest common factor number is the GCF number.
So the greatest common factor 81690 and 81703 is 1.

Also check out the Least Common Multiple of 81690 and 81703