What is the Greatest Common Factor of 70518 and 70531?

Greatest common factor (GCF) of 70518 and 70531 is 1.

GCF(70518,70531) = 1

We will now calculate the prime factors of 70518 and 70531, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70518 and 70531.

How to find the GCF of 70518 and 70531?

We will first find the prime factorization of 70518 and 70531. After we will calculate the factors of 70518 and 70531 and find the biggest common factor number .

Step-1: Prime Factorization of 70518

Prime factors of 70518 are 2, 3, 7, 23, 73. Prime factorization of 70518 in exponential form is:

70518 = 2¹ × 3¹ × 7¹ × 23¹ × 73¹

Step-2: Prime Factorization of 70531

Prime factors of 70531 are 251, 281. Prime factorization of 70531 in exponential form is:

70531 = 251¹ × 281¹

Step-3: Factors of 70518

List of positive integer factors of 70518 that divides 70518 without a remainder.

1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 73, 138, 146, 161, 219, 322, 438, 483, 511, 966, 1022, 1533, 1679, 3066, 3358, 5037, 10074, 11753, 23506, 35259

Step-4: Factors of 70531

List of positive integer factors of 70531 that divides 70518 without a remainder.

1, 251, 281

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70518 and 70531. The biggest common factor number is the GCF number.
So the greatest common factor 70518 and 70531 is 1.

Also check out the Least Common Multiple of 70518 and 70531