What is the Greatest Common Factor of 43990 and 43998?

Greatest common factor (GCF) of 43990 and 43998 is 2.

GCF(43990,43998) = 2

We will now calculate the prime factors of 43990 and 43998, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43990 and 43998.

How to find the GCF of 43990 and 43998?

We will first find the prime factorization of 43990 and 43998. After we will calculate the factors of 43990 and 43998 and find the biggest common factor number .

Step-1: Prime Factorization of 43990

Prime factors of 43990 are 2, 5, 53, 83. Prime factorization of 43990 in exponential form is:

43990 = 2¹ × 5¹ × 53¹ × 83¹

Step-2: Prime Factorization of 43998

Prime factors of 43998 are 2, 3, 7333. Prime factorization of 43998 in exponential form is:

43998 = 2¹ × 3¹ × 7333¹

Step-3: Factors of 43990

List of positive integer factors of 43990 that divides 43990 without a remainder.

1, 2, 5, 10, 53, 83, 106, 166, 265, 415, 530, 830, 4399, 8798, 21995

Step-4: Factors of 43998

List of positive integer factors of 43998 that divides 43990 without a remainder.

1, 2, 3, 6, 7333, 14666, 21999

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43990 and 43998. The biggest common factor number is the GCF number.
So the greatest common factor 43990 and 43998 is 2.

Also check out the Least Common Multiple of 43990 and 43998