What is the GCF of 245 and 2145?
The GCF of 245 and 2145 is 5.
Steps to find GCF
- Find the prime factorization of 245
245 = 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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Find HCF of: 490 & 4290 735 & 6435 49 & 429 490 & 2145 245 & 4290 735 & 2145 245 & 6435 1225 & 2145 1715 & 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).