What is the Greatest Common Factor of 42890 and 42899?

Greatest common factor (GCF) of 42890 and 42899 is 1.

GCF(42890,42899) = 1

We will now calculate the prime factors of 42890 and 42899, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42890 and 42899.

How to find the GCF of 42890 and 42899?

We will first find the prime factorization of 42890 and 42899. After we will calculate the factors of 42890 and 42899 and find the biggest common factor number .

Step-1: Prime Factorization of 42890

Prime factors of 42890 are 2, 5, 4289. Prime factorization of 42890 in exponential form is:

42890 = 2¹ × 5¹ × 4289¹

Step-2: Prime Factorization of 42899

Prime factors of 42899 are 42899. Prime factorization of 42899 in exponential form is:

42899 = 42899¹

Step-3: Factors of 42890

List of positive integer factors of 42890 that divides 42890 without a remainder.

1, 2, 5, 10, 4289, 8578, 21445

Step-4: Factors of 42899

List of positive integer factors of 42899 that divides 42890 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42890 and 42899. The biggest common factor number is the GCF number.
So the greatest common factor 42890 and 42899 is 1.

Also check out the Least Common Multiple of 42890 and 42899