What is the Greatest Common Factor of 87780 and 87792?

Greatest common factor (GCF) of 87780 and 87792 is 12.

GCF(87780,87792) = 12

We will now calculate the prime factors of 87780 and 87792, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87780 and 87792.

How to find the GCF of 87780 and 87792?

We will first find the prime factorization of 87780 and 87792. After we will calculate the factors of 87780 and 87792 and find the biggest common factor number .

Step-1: Prime Factorization of 87780

Prime factors of 87780 are 2, 3, 5, 7, 11, 19. Prime factorization of 87780 in exponential form is:

87780 = 2² × 3¹ × 5¹ × 7¹ × 11¹ × 19¹

Step-2: Prime Factorization of 87792

Prime factors of 87792 are 2, 3, 31, 59. Prime factorization of 87792 in exponential form is:

87792 = 2⁴ × 3¹ × 31¹ × 59¹

Step-3: Factors of 87780

List of positive integer factors of 87780 that divides 87780 without a remainder.

1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 19, 20, 21, 22, 28, 30, 33, 35, 38, 42, 44, 55, 57, 60, 66, 70, 76, 77, 84, 95, 105, 110, 114, 132, 133, 140, 154, 165, 190, 209, 210, 220, 228, 231, 266, 285, 308, 330, 380, 385, 399, 418, 420, 462, 532, 570, 627, 660, 665, 770, 798, 836, 924, 1045, 1140, 1155, 1254, 1330, 1463, 1540, 1596, 1995, 2090, 2310, 2508, 2660, 2926, 3135, 3990, 4180, 4389, 4620, 5852, 6270, 7315, 7980, 8778, 12540, 14630, 17556, 21945, 29260, 43890

Step-4: Factors of 87792

List of positive integer factors of 87792 that divides 87780 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 59, 62, 93, 118, 124, 177, 186, 236, 248, 354, 372, 472, 496, 708, 744, 944, 1416, 1488, 1829, 2832, 3658, 5487, 7316, 10974, 14632, 21948, 29264, 43896

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87780 and 87792. The biggest common factor number is the GCF number.
So the greatest common factor 87780 and 87792 is 12.

Also check out the Least Common Multiple of 87780 and 87792