What is the Greatest Common Factor of 403 and 415?
Greatest common factor (GCF) of 403 and 415 is 1.
GCF(403,415) = 1
We will now calculate the prime factors of 403 and 415, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 403 and 415.
How to find the GCF of 403 and 415?
We will first find the prime factorization of 403 and 415. After we will calculate the factors of 403 and 415 and find the biggest common factor number .
Step-1: Prime Factorization of 403
Prime factors of 403 are 13, 31. Prime factorization of 403 in exponential form is:
403 = 131 × 311
Step-2: Prime Factorization of 415
Prime factors of 415 are 5, 83. Prime factorization of 415 in exponential form is:
415 = 51 × 831
Step-3: Factors of 403
List of positive integer factors of 403 that divides 403 without a remainder.
1, 13, 31
Step-4: Factors of 415
List of positive integer factors of 415 that divides 403 without a remainder.
1, 5, 83
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 403 and 415. The biggest common factor number is the GCF number.
So the greatest common factor 403 and 415 is 1.
Also check out the Least Common Multiple of 403 and 415
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