What is the Least Common Multiple of 18690 and 18710?

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 18690 and 18710 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18690 and 18710, than apply into the LCM equation.

GCF(18690,18710) = 10
LCM(18690,18710) = ( 18690 × 18710) / 10
LCM(18690,18710) = 349689900 / 10
LCM(18690,18710) = 34968990

Least Common Multiple (LCM) of 18690 and 18710 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18690 and 18710. First we will calculate the prime factors of 18690 and 18710.

Prime Factorization of 18690

Prime Factorization of 18710

Now multiplying the highest exponent prime factors to calculate the LCM of 18690 and 18710.

LCM(18690,18710) = 2¹ × 3¹ × 5¹ × 7¹ × 89¹ × 1871¹
LCM(18690,18710) = 34968990