What is the Least Common Multiple of 91103 and 91120?

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 91103 and 91120 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91103 and 91120, than apply into the LCM equation.

GCF(91103,91120) = 17
LCM(91103,91120) = ( 91103 × 91120) / 17
LCM(91103,91120) = 8301305360 / 17
LCM(91103,91120) = 488312080

Least Common Multiple (LCM) of 91103 and 91120 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91103 and 91120. First we will calculate the prime factors of 91103 and 91120.

Prime Factorization of 91103

Prime Factorization of 91120

Now multiplying the highest exponent prime factors to calculate the LCM of 91103 and 91120.

LCM(91103,91120) = 17¹ × 23¹ × 233¹ × 2⁴ × 5¹ × 67¹
LCM(91103,91120) = 488312080