What is the Greatest Common Factor of 511 and 518?
Greatest common factor (GCF) of 511 and 518 is 7.
GCF(511,518) = 7
We will now calculate the prime factors of 511 and 518, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 511 and 518.
How to find the GCF of 511 and 518?
We will first find the prime factorization of 511 and 518. After we will calculate the factors of 511 and 518 and find the biggest common factor number .
Step-1: Prime Factorization of 511
Prime factors of 511 are 7, 73. Prime factorization of 511 in exponential form is:
511 = 71 × 731
Step-2: Prime Factorization of 518
Prime factors of 518 are 2, 7, 37. Prime factorization of 518 in exponential form is:
518 = 21 × 71 × 371
Step-3: Factors of 511
List of positive integer factors of 511 that divides 511 without a remainder.
1, 7, 73
Step-4: Factors of 518
List of positive integer factors of 518 that divides 511 without a remainder.
1, 2, 7, 14, 37, 74, 259
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 511 and 518. The biggest common factor number is the GCF number.
So the greatest common factor 511 and 518 is 7.
Also check out the Least Common Multiple of 511 and 518
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