What is the Greatest Common Factor of 86890 and 86904?

Greatest common factor (GCF) of 86890 and 86904 is 2.

GCF(86890,86904) = 2

We will now calculate the prime factors of 86890 and 86904, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86890 and 86904.

How to find the GCF of 86890 and 86904?

We will first find the prime factorization of 86890 and 86904. After we will calculate the factors of 86890 and 86904 and find the biggest common factor number .

Step-1: Prime Factorization of 86890

Prime factors of 86890 are 2, 5, 8689. Prime factorization of 86890 in exponential form is:

86890 = 2¹ × 5¹ × 8689¹

Step-2: Prime Factorization of 86904

Prime factors of 86904 are 2, 3, 17, 71. Prime factorization of 86904 in exponential form is:

86904 = 2³ × 3² × 17¹ × 71¹

Step-3: Factors of 86890

List of positive integer factors of 86890 that divides 86890 without a remainder.

1, 2, 5, 10, 8689, 17378, 43445

Step-4: Factors of 86904

List of positive integer factors of 86904 that divides 86890 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 71, 72, 102, 136, 142, 153, 204, 213, 284, 306, 408, 426, 568, 612, 639, 852, 1207, 1224, 1278, 1704, 2414, 2556, 3621, 4828, 5112, 7242, 9656, 10863, 14484, 21726, 28968, 43452

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86890 and 86904. The biggest common factor number is the GCF number.
So the greatest common factor 86890 and 86904 is 2.

Also check out the Least Common Multiple of 86890 and 86904