What is the Greatest Common Factor of 210 and 214?
Greatest common factor (GCF) of 210 and 214 is 2.
GCF(210,214) = 2
We will now calculate the prime factors of 210 and 214, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 210 and 214.
How to find the GCF of 210 and 214?
We will first find the prime factorization of 210 and 214. After we will calculate the factors of 210 and 214 and find the biggest common factor number .
Step-1: Prime Factorization of 210
Prime factors of 210 are 2, 3, 5, 7. Prime factorization of 210 in exponential form is:
210 = 21 × 31 × 51 × 71
Step-2: Prime Factorization of 214
Prime factors of 214 are 2, 107. Prime factorization of 214 in exponential form is:
214 = 21 × 1071
Step-3: Factors of 210
List of positive integer factors of 210 that divides 210 without a remainder.
1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105
Step-4: Factors of 214
List of positive integer factors of 214 that divides 210 without a remainder.
1, 2, 107
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 210 and 214. The biggest common factor number is the GCF number.
So the greatest common factor 210 and 214 is 2.
Also check out the Least Common Multiple of 210 and 214
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