What is the Greatest Common Factor of 72846 and 72861?

Greatest common factor (GCF) of 72846 and 72861 is 3.

GCF(72846,72861) = 3

We will now calculate the prime factors of 72846 and 72861, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72846 and 72861.

How to find the GCF of 72846 and 72861?

We will first find the prime factorization of 72846 and 72861. After we will calculate the factors of 72846 and 72861 and find the biggest common factor number .

Step-1: Prime Factorization of 72846

Prime factors of 72846 are 2, 3, 19, 71. Prime factorization of 72846 in exponential form is:

72846 = 2¹ × 3³ × 19¹ × 71¹

Step-2: Prime Factorization of 72861

Prime factors of 72861 are 3, 149, 163. Prime factorization of 72861 in exponential form is:

72861 = 3¹ × 149¹ × 163¹

Step-3: Factors of 72846

List of positive integer factors of 72846 that divides 72846 without a remainder.

1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 71, 114, 142, 171, 213, 342, 426, 513, 639, 1026, 1278, 1349, 1917, 2698, 3834, 4047, 8094, 12141, 24282, 36423

Step-4: Factors of 72861

List of positive integer factors of 72861 that divides 72846 without a remainder.

1, 3, 149, 163, 447, 489, 24287

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72846 and 72861. The biggest common factor number is the GCF number.
So the greatest common factor 72846 and 72861 is 3.

Also check out the Least Common Multiple of 72846 and 72861