What is the Greatest Common Factor of 99902 and 99920?

Greatest common factor (GCF) of 99902 and 99920 is 2.

GCF(99902,99920) = 2

We will now calculate the prime factors of 99902 and 99920, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 99902 and 99920.

How to find the GCF of 99902 and 99920?

We will first find the prime factorization of 99902 and 99920. After we will calculate the factors of 99902 and 99920 and find the biggest common factor number .

Step-1: Prime Factorization of 99902

Prime factors of 99902 are 2, 11, 19, 239. Prime factorization of 99902 in exponential form is:

99902 = 2¹ × 11¹ × 19¹ × 239¹

Step-2: Prime Factorization of 99920

Prime factors of 99920 are 2, 5, 1249. Prime factorization of 99920 in exponential form is:

99920 = 2⁴ × 5¹ × 1249¹

Step-3: Factors of 99902

List of positive integer factors of 99902 that divides 99902 without a remainder.

1, 2, 11, 19, 22, 38, 209, 239, 418, 478, 2629, 4541, 5258, 9082, 49951

Step-4: Factors of 99920

List of positive integer factors of 99920 that divides 99902 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1249, 2498, 4996, 6245, 9992, 12490, 19984, 24980, 49960

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 99902 and 99920. The biggest common factor number is the GCF number.
So the greatest common factor 99902 and 99920 is 2.

Also check out the Least Common Multiple of 99902 and 99920