What is the Greatest Common Factor of 310 and 315?
Greatest common factor (GCF) of 310 and 315 is 5.
GCF(310,315) = 5
We will now calculate the prime factors of 310 and 315, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 310 and 315.
How to find the GCF of 310 and 315?
We will first find the prime factorization of 310 and 315. After we will calculate the factors of 310 and 315 and find the biggest common factor number .
Step-1: Prime Factorization of 310
Prime factors of 310 are 2, 5, 31. Prime factorization of 310 in exponential form is:
310 = 21 × 51 × 311
Step-2: Prime Factorization of 315
Prime factors of 315 are 3, 5, 7. Prime factorization of 315 in exponential form is:
315 = 32 × 51 × 71
Step-3: Factors of 310
List of positive integer factors of 310 that divides 310 without a remainder.
1, 2, 5, 10, 31, 62, 155
Step-4: Factors of 315
List of positive integer factors of 315 that divides 310 without a remainder.
1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 310 and 315. The biggest common factor number is the GCF number.
So the greatest common factor 310 and 315 is 5.
Also check out the Least Common Multiple of 310 and 315
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