What is the Greatest Common Factor of 87730 and 87742?

Greatest common factor (GCF) of 87730 and 87742 is 2.

GCF(87730,87742) = 2

We will now calculate the prime factors of 87730 and 87742, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87730 and 87742.

How to find the GCF of 87730 and 87742?

We will first find the prime factorization of 87730 and 87742. After we will calculate the factors of 87730 and 87742 and find the biggest common factor number .

Step-1: Prime Factorization of 87730

Prime factors of 87730 are 2, 5, 31, 283. Prime factorization of 87730 in exponential form is:

87730 = 2¹ × 5¹ × 31¹ × 283¹

Step-2: Prime Factorization of 87742

Prime factors of 87742 are 2, 19, 2309. Prime factorization of 87742 in exponential form is:

87742 = 2¹ × 19¹ × 2309¹

Step-3: Factors of 87730

List of positive integer factors of 87730 that divides 87730 without a remainder.

1, 2, 5, 10, 31, 62, 155, 283, 310, 566, 1415, 2830, 8773, 17546, 43865

Step-4: Factors of 87742

List of positive integer factors of 87742 that divides 87730 without a remainder.

1, 2, 19, 38, 2309, 4618, 43871

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87730 and 87742. The biggest common factor number is the GCF number.
So the greatest common factor 87730 and 87742 is 2.

Also check out the Least Common Multiple of 87730 and 87742