What is the Least Common Multiple of 91470 and 91481?

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 91470 and 91481 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91470 and 91481, than apply into the LCM equation.

GCF(91470,91481) = 1
LCM(91470,91481) = ( 91470 × 91481) / 1
LCM(91470,91481) = 8367767070 / 1
LCM(91470,91481) = 8367767070

Least Common Multiple (LCM) of 91470 and 91481 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91470 and 91481. First we will calculate the prime factors of 91470 and 91481.

Prime Factorization of 91470

Prime Factorization of 91481

Now multiplying the highest exponent prime factors to calculate the LCM of 91470 and 91481.

LCM(91470,91481) = 2¹ × 3¹ × 5¹ × 3049¹ × 13¹ × 31¹ × 227¹
LCM(91470,91481) = 8367767070