What is the GCF of 1225 and 2145?
The GCF of 1225 and 2145 is 5.
Steps to find GCF
- Find the prime factorization of 1225
1225 = 5 × 5 × 7 × 7 - Find the prime factorization of 2145
2145 = 3 × 5 × 11 × 13 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 5
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Related
Find HCF of: 2450 & 4290 3675 & 6435 245 & 429 2450 & 2145 1225 & 4290 3675 & 2145 1225 & 6435 6125 & 2145 8575 & 2145
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).