What is the Greatest Common Factor of 55615 and 55620?

Greatest common factor (GCF) of 55615 and 55620 is 5.

GCF(55615,55620) = 5

We will now calculate the prime factors of 55615 and 55620, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55615 and 55620.

How to find the GCF of 55615 and 55620?

We will first find the prime factorization of 55615 and 55620. After we will calculate the factors of 55615 and 55620 and find the biggest common factor number .

Step-1: Prime Factorization of 55615

Prime factors of 55615 are 5, 7, 227. Prime factorization of 55615 in exponential form is:

55615 = 5¹ × 7² × 227¹

Step-2: Prime Factorization of 55620

Prime factors of 55620 are 2, 3, 5, 103. Prime factorization of 55620 in exponential form is:

55620 = 2² × 3³ × 5¹ × 103¹

Step-3: Factors of 55615

List of positive integer factors of 55615 that divides 55615 without a remainder.

1, 5, 7, 35, 49, 227, 245, 1135, 1589, 7945, 11123

Step-4: Factors of 55620

List of positive integer factors of 55620 that divides 55615 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 103, 108, 135, 180, 206, 270, 309, 412, 515, 540, 618, 927, 1030, 1236, 1545, 1854, 2060, 2781, 3090, 3708, 4635, 5562, 6180, 9270, 11124, 13905, 18540, 27810

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55615 and 55620. The biggest common factor number is the GCF number.
So the greatest common factor 55615 and 55620 is 5.

Also check out the Least Common Multiple of 55615 and 55620