What is the GCF of 1521 and 1280?
The GCF of 1521 and 1280 is 1.
Steps to find GCF
- Find the prime factorization of 1521
1521 = 3 × 3 × 13 × 13 - Find the prime factorization of 1280
1280 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 - 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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Related
Find HCF of: 3042 & 2560 4563 & 3840 7605 & 6400 3042 & 1280 1521 & 2560 4563 & 1280 1521 & 3840 7605 & 1280 1521 & 6400 1521 & 8960
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).