What is the Greatest Common Factor of 61503 and 61507?

Greatest common factor (GCF) of 61503 and 61507 is 1.

GCF(61503,61507) = 1

We will now calculate the prime factors of 61503 and 61507, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61503 and 61507.

How to find the GCF of 61503 and 61507?

We will first find the prime factorization of 61503 and 61507. After we will calculate the factors of 61503 and 61507 and find the biggest common factor number .

Step-1: Prime Factorization of 61503

Prime factors of 61503 are 3, 13, 19, 83. Prime factorization of 61503 in exponential form is:

61503 = 3¹ × 13¹ × 19¹ × 83¹

Step-2: Prime Factorization of 61507

Prime factors of 61507 are 61507. Prime factorization of 61507 in exponential form is:

61507 = 61507¹

Step-3: Factors of 61503

List of positive integer factors of 61503 that divides 61503 without a remainder.

1, 3, 13, 19, 39, 57, 83, 247, 249, 741, 1079, 1577, 3237, 4731, 20501

Step-4: Factors of 61507

List of positive integer factors of 61507 that divides 61503 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61503 and 61507. The biggest common factor number is the GCF number.
So the greatest common factor 61503 and 61507 is 1.

Also check out the Least Common Multiple of 61503 and 61507