What is the Least Common Multiple of 89680 and 89686?

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 89680 and 89686 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89680 and 89686, than apply into the LCM equation.

GCF(89680,89686) = 2
LCM(89680,89686) = ( 89680 × 89686) / 2
LCM(89680,89686) = 8043040480 / 2
LCM(89680,89686) = 4021520240

Least Common Multiple (LCM) of 89680 and 89686 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89680 and 89686. First we will calculate the prime factors of 89680 and 89686.

Prime Factorization of 89680

Prime Factorization of 89686

Now multiplying the highest exponent prime factors to calculate the LCM of 89680 and 89686.

LCM(89680,89686) = 2⁴ × 5¹ × 19¹ × 59¹ × 44843¹
LCM(89680,89686) = 4021520240