What is the Greatest Common Factor of 221 and 234?
Greatest common factor (GCF) of 221 and 234 is 13.
GCF(221,234) = 13
We will now calculate the prime factors of 221 and 234, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 221 and 234.
How to find the GCF of 221 and 234?
We will first find the prime factorization of 221 and 234. After we will calculate the factors of 221 and 234 and find the biggest common factor number .
Step-1: Prime Factorization of 221
Prime factors of 221 are 13, 17. Prime factorization of 221 in exponential form is:
221 = 131 × 171
Step-2: Prime Factorization of 234
Prime factors of 234 are 2, 3, 13. Prime factorization of 234 in exponential form is:
234 = 21 × 32 × 131
Step-3: Factors of 221
List of positive integer factors of 221 that divides 221 without a remainder.
1, 13, 17
Step-4: Factors of 234
List of positive integer factors of 234 that divides 221 without a remainder.
1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 221 and 234. The biggest common factor number is the GCF number.
So the greatest common factor 221 and 234 is 13.
Also check out the Least Common Multiple of 221 and 234
Related Greatest Common Factors of 221
- GCF of 221 and 225
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- GCF of 221 and 231
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- GCF of 221 and 233
- GCF of 221 and 234
- GCF of 221 and 235
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Related Greatest Common Factors of 234
- GCF of 234 and 238
- GCF of 234 and 239
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- GCF of 234 and 241
- GCF of 234 and 242
- GCF of 234 and 243
- GCF of 234 and 244
- GCF of 234 and 245
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- GCF of 234 and 251
- GCF of 234 and 252
- GCF of 234 and 253
- GCF of 234 and 254