What is the Least Common Multiple of 85860 and 85865?

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 85860 and 85865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85860 and 85865, than apply into the LCM equation.

GCF(85860,85865) = 5
LCM(85860,85865) = ( 85860 × 85865) / 5
LCM(85860,85865) = 7372368900 / 5
LCM(85860,85865) = 1474473780

Least Common Multiple (LCM) of 85860 and 85865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85860 and 85865. First we will calculate the prime factors of 85860 and 85865.

Prime Factorization of 85860

Prime Factorization of 85865

Now multiplying the highest exponent prime factors to calculate the LCM of 85860 and 85865.

LCM(85860,85865) = 2² × 3⁴ × 5¹ × 53¹ × 13¹ × 1321¹
LCM(85860,85865) = 1474473780