What is the Greatest Common Factor of 55818 and 55836?

Greatest common factor (GCF) of 55818 and 55836 is 18.

GCF(55818,55836) = 18

We will now calculate the prime factors of 55818 and 55836, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55818 and 55836.

How to find the GCF of 55818 and 55836?

We will first find the prime factorization of 55818 and 55836. After we will calculate the factors of 55818 and 55836 and find the biggest common factor number .

Step-1: Prime Factorization of 55818

Prime factors of 55818 are 2, 3, 7, 443. Prime factorization of 55818 in exponential form is:

55818 = 2¹ × 3² × 7¹ × 443¹

Step-2: Prime Factorization of 55836

Prime factors of 55836 are 2, 3, 11, 47. Prime factorization of 55836 in exponential form is:

55836 = 2² × 3³ × 11¹ × 47¹

Step-3: Factors of 55818

List of positive integer factors of 55818 that divides 55818 without a remainder.

1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 443, 886, 1329, 2658, 3101, 3987, 6202, 7974, 9303, 18606, 27909

Step-4: Factors of 55836

List of positive integer factors of 55836 that divides 55818 without a remainder.

1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 47, 54, 66, 94, 99, 108, 132, 141, 188, 198, 282, 297, 396, 423, 517, 564, 594, 846, 1034, 1188, 1269, 1551, 1692, 2068, 2538, 3102, 4653, 5076, 6204, 9306, 13959, 18612, 27918

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55818 and 55836. The biggest common factor number is the GCF number.
So the greatest common factor 55818 and 55836 is 18.

Also check out the Least Common Multiple of 55818 and 55836