GCF and LCM of 2 and 6
The greatest common factor and least common multiple of 2 and 6.
GCF of 2 and 6
2
LCM of 2 and 6
6
How it works
Break each number into its prime factors:
- 2 = 2
- 6 = 2 × 3
The GCF (2) multiplies the primes both share, at the lowest power each appears. The LCM (6) multiplies every prime that appears in either number, at the highest power — which is also 2 × 6 ÷ 2 = 6.
Try other numbers
Need a different pair? The LCM & GCF calculator computes the GCF and LCM for any two numbers.
Related pairs
Frequently asked questions
What is the GCF of 2 and 6?+
The greatest common factor (GCF) of 2 and 6 is 2 — the largest number that divides both 2 and 6 with no remainder.
What is the LCM of 2 and 6?+
The least common multiple (LCM) of 2 and 6 is 6 — the smallest number that both 2 and 6 divide into. It equals 2 × 6 ÷ GCF = 12 ÷ 2 = 6.