GCF and LCM Calculator Logo

What is the Greatest Common Factor of 1544 and 1551?

Greatest common factor (GCF) of 1544 and 1551 is 1.

GCF(1544,1551) = 1

We will now calculate the prime factors of 1544 and 1551, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1544 and 1551.

GCF Calculator and
and

How to find the GCF of 1544 and 1551?

We will first find the prime factorization of 1544 and 1551. After we will calculate the factors of 1544 and 1551 and find the biggest common factor number .

Step-1: Prime Factorization of 1544

Prime factors of 1544 are 2, 193. Prime factorization of 1544 in exponential form is:

1544 = 23 × 1931

Step-2: Prime Factorization of 1551

Prime factors of 1551 are 3, 11, 47. Prime factorization of 1551 in exponential form is:

1551 = 31 × 111 × 471

Step-3: Factors of 1544

List of positive integer factors of 1544 that divides 1544 without a remainder.

1, 2, 4, 8, 193, 386, 772

Step-4: Factors of 1551

List of positive integer factors of 1551 that divides 1544 without a remainder.

1, 3, 11, 33, 47, 141, 517

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1544 and 1551. The biggest common factor number is the GCF number.
So the greatest common factor 1544 and 1551 is 1.

Also check out the Least Common Multiple of 1544 and 1551