What is the Greatest Common Factor of 97845 and 97860?

Greatest common factor (GCF) of 97845 and 97860 is 15.

GCF(97845,97860) = 15

We will now calculate the prime factors of 97845 and 97860, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 97845 and 97860.

How to find the GCF of 97845 and 97860?

We will first find the prime factorization of 97845 and 97860. After we will calculate the factors of 97845 and 97860 and find the biggest common factor number .

Step-1: Prime Factorization of 97845

Prime factors of 97845 are 3, 5, 11, 593. Prime factorization of 97845 in exponential form is:

97845 = 3¹ × 5¹ × 11¹ × 593¹

Step-2: Prime Factorization of 97860

Prime factors of 97860 are 2, 3, 5, 7, 233. Prime factorization of 97860 in exponential form is:

97860 = 2² × 3¹ × 5¹ × 7¹ × 233¹

Step-3: Factors of 97845

List of positive integer factors of 97845 that divides 97845 without a remainder.

1, 3, 5, 11, 15, 33, 55, 165, 593, 1779, 2965, 6523, 8895, 19569, 32615

Step-4: Factors of 97860

List of positive integer factors of 97860 that divides 97845 without a remainder.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 233, 420, 466, 699, 932, 1165, 1398, 1631, 2330, 2796, 3262, 3495, 4660, 4893, 6524, 6990, 8155, 9786, 13980, 16310, 19572, 24465, 32620, 48930

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 97845 and 97860. The biggest common factor number is the GCF number.
So the greatest common factor 97845 and 97860 is 15.

Also check out the Least Common Multiple of 97845 and 97860