What is the GCF of 540 and 257?
The GCF of 540 and 257 is 1.
Steps to find GCF
- Find the prime factorization of 540
540 = 2 × 2 × 3 × 3 × 3 × 5 - Find the prime factorization of 257
257 = 257 - To find the GCF, multiply all the prime factors common to both numbers:
Note that there are no common prime factors. - Therefore, GCF = 1 (since 1 is a factor of every number)
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Find HCF of: 1080 & 514 1620 & 771 2700 & 1285 3780 & 1799 1080 & 257 540 & 514 1620 & 257 540 & 771 2700 & 257 540 & 1285 3780 & 257 540 & 1799
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).