What is the Greatest Common Factor of 202 and 207?
Greatest common factor (GCF) of 202 and 207 is 1.
GCF(202,207) = 1
We will now calculate the prime factors of 202 and 207, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 202 and 207.
How to find the GCF of 202 and 207?
We will first find the prime factorization of 202 and 207. After we will calculate the factors of 202 and 207 and find the biggest common factor number .
Step-1: Prime Factorization of 202
Prime factors of 202 are 2, 101. Prime factorization of 202 in exponential form is:
202 = 21 × 1011
Step-2: Prime Factorization of 207
Prime factors of 207 are 3, 23. Prime factorization of 207 in exponential form is:
207 = 32 × 231
Step-3: Factors of 202
List of positive integer factors of 202 that divides 202 without a remainder.
1, 2, 101
Step-4: Factors of 207
List of positive integer factors of 207 that divides 202 without a remainder.
1, 3, 9, 23, 69
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 202 and 207. The biggest common factor number is the GCF number.
So the greatest common factor 202 and 207 is 1.
Also check out the Least Common Multiple of 202 and 207
Related Greatest Common Factors of 202
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Related Greatest Common Factors of 207
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