What is the Greatest Common Factor of 551 and 555?
Greatest common factor (GCF) of 551 and 555 is 1.
GCF(551,555) = 1
We will now calculate the prime factors of 551 and 555, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 551 and 555.
How to find the GCF of 551 and 555?
We will first find the prime factorization of 551 and 555. After we will calculate the factors of 551 and 555 and find the biggest common factor number .
Step-1: Prime Factorization of 551
Prime factors of 551 are 19, 29. Prime factorization of 551 in exponential form is:
551 = 191 × 291
Step-2: Prime Factorization of 555
Prime factors of 555 are 3, 5, 37. Prime factorization of 555 in exponential form is:
555 = 31 × 51 × 371
Step-3: Factors of 551
List of positive integer factors of 551 that divides 551 without a remainder.
1, 19, 29
Step-4: Factors of 555
List of positive integer factors of 555 that divides 551 without a remainder.
1, 3, 5, 15, 37, 111, 185
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 551 and 555. The biggest common factor number is the GCF number.
So the greatest common factor 551 and 555 is 1.
Also check out the Least Common Multiple of 551 and 555
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