What is the Least Common Multiple of 91870 and 91876?

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 91870 and 91876 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91870 and 91876, than apply into the LCM equation.

GCF(91870,91876) = 2
LCM(91870,91876) = ( 91870 × 91876) / 2
LCM(91870,91876) = 8440648120 / 2
LCM(91870,91876) = 4220324060

Least Common Multiple (LCM) of 91870 and 91876 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91870 and 91876. First we will calculate the prime factors of 91870 and 91876.

Prime Factorization of 91870

Prime Factorization of 91876

Now multiplying the highest exponent prime factors to calculate the LCM of 91870 and 91876.

LCM(91870,91876) = 2² × 5¹ × 9187¹ × 103¹ × 223¹
LCM(91870,91876) = 4220324060