What is the Greatest Common Factor of 65480 and 65490?

Greatest common factor (GCF) of 65480 and 65490 is 10.

GCF(65480,65490) = 10

We will now calculate the prime factors of 65480 and 65490, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65480 and 65490.

How to find the GCF of 65480 and 65490?

We will first find the prime factorization of 65480 and 65490. After we will calculate the factors of 65480 and 65490 and find the biggest common factor number .

Step-1: Prime Factorization of 65480

Prime factors of 65480 are 2, 5, 1637. Prime factorization of 65480 in exponential form is:

65480 = 2³ × 5¹ × 1637¹

Step-2: Prime Factorization of 65490

Prime factors of 65490 are 2, 3, 5, 37, 59. Prime factorization of 65490 in exponential form is:

65490 = 2¹ × 3¹ × 5¹ × 37¹ × 59¹

Step-3: Factors of 65480

List of positive integer factors of 65480 that divides 65480 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1637, 3274, 6548, 8185, 13096, 16370, 32740

Step-4: Factors of 65490

List of positive integer factors of 65490 that divides 65480 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 37, 59, 74, 111, 118, 177, 185, 222, 295, 354, 370, 555, 590, 885, 1110, 1770, 2183, 4366, 6549, 10915, 13098, 21830, 32745

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65480 and 65490. The biggest common factor number is the GCF number.
So the greatest common factor 65480 and 65490 is 10.

Also check out the Least Common Multiple of 65480 and 65490