What is the GCF of 1280 and 3998?
The GCF of 1280 and 3998 is 2.
Steps to find GCF
- Find the prime factorization of 1280
1280 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 - Find the prime factorization of 3998
3998 = 2 × 1999 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2
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Find HCF of: 2560 & 7996 640 & 1999 2560 & 3998 1280 & 7996 3840 & 3998 6400 & 3998 8960 & 3998
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).