What is the Least Common Multiple of 6930 and 6939?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 6930 and 6939 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6930 and 6939, than apply into the LCM equation.

GCF(6930,6939) = 9
LCM(6930,6939) = ( 6930 × 6939) / 9
LCM(6930,6939) = 48087270 / 9
LCM(6930,6939) = 5343030

Least Common Multiple (LCM) of 6930 and 6939 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6930 and 6939. First we will calculate the prime factors of 6930 and 6939.

Prime Factorization of 6930

Prime Factorization of 6939

Now multiplying the highest exponent prime factors to calculate the LCM of 6930 and 6939.

LCM(6930,6939) = 2¹ × 3³ × 5¹ × 7¹ × 11¹ × 257¹
LCM(6930,6939) = 5343030