What is the Greatest Common Factor of 87290 and 87305?

Greatest common factor (GCF) of 87290 and 87305 is 5.

GCF(87290,87305) = 5

We will now calculate the prime factors of 87290 and 87305, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87290 and 87305.

How to find the GCF of 87290 and 87305?

We will first find the prime factorization of 87290 and 87305. After we will calculate the factors of 87290 and 87305 and find the biggest common factor number .

Step-1: Prime Factorization of 87290

Prime factors of 87290 are 2, 5, 7, 29, 43. Prime factorization of 87290 in exponential form is:

87290 = 2¹ × 5¹ × 7¹ × 29¹ × 43¹

Step-2: Prime Factorization of 87305

Prime factors of 87305 are 5, 19, 919. Prime factorization of 87305 in exponential form is:

87305 = 5¹ × 19¹ × 919¹

Step-3: Factors of 87290

List of positive integer factors of 87290 that divides 87290 without a remainder.

1, 2, 5, 7, 10, 14, 29, 35, 43, 58, 70, 86, 145, 203, 215, 290, 301, 406, 430, 602, 1015, 1247, 1505, 2030, 2494, 3010, 6235, 8729, 12470, 17458, 43645

Step-4: Factors of 87305

List of positive integer factors of 87305 that divides 87290 without a remainder.

1, 5, 19, 95, 919, 4595, 17461

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87290 and 87305. The biggest common factor number is the GCF number.
So the greatest common factor 87290 and 87305 is 5.

Also check out the Least Common Multiple of 87290 and 87305