GCF and LCM of 5 and 14
The greatest common factor and least common multiple of 5 and 14.
GCF of 5 and 14
1
LCM of 5 and 14
70
How it works
Break each number into its prime factors:
- 5 = 5
- 14 = 2 × 7
The GCF (1) multiplies the primes both share, at the lowest power each appears. The LCM (70) multiplies every prime that appears in either number, at the highest power — which is also 5 × 14 ÷ 1 = 70.
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Frequently asked questions
What is the GCF of 5 and 14?+
The greatest common factor (GCF) of 5 and 14 is 1 — the largest number that divides both 5 and 14 with no remainder.
What is the LCM of 5 and 14?+
The least common multiple (LCM) of 5 and 14 is 70 — the smallest number that both 5 and 14 divide into. It equals 5 × 14 ÷ GCF = 70 ÷ 1 = 70.