What is the GCF of 561 and 1465?
The GCF of 561 and 1465 is 1.
Steps to find GCF
- Find the prime factorization of 561
561 = 3 × 11 × 17 - Find the prime factorization of 1465
1465 = 5 × 293 - 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: 1122 & 2930 1683 & 4395 2805 & 7325 1122 & 1465 561 & 2930 1683 & 1465 561 & 4395 2805 & 1465 561 & 7325 3927 & 1465
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).