What is the Least Common Multiple of 91490 and 91508?

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 91490 and 91508 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91490 and 91508, than apply into the LCM equation.

GCF(91490,91508) = 2
LCM(91490,91508) = ( 91490 × 91508) / 2
LCM(91490,91508) = 8372066920 / 2
LCM(91490,91508) = 4186033460

Least Common Multiple (LCM) of 91490 and 91508 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91490 and 91508. First we will calculate the prime factors of 91490 and 91508.

Prime Factorization of 91490

Prime Factorization of 91508

Now multiplying the highest exponent prime factors to calculate the LCM of 91490 and 91508.

LCM(91490,91508) = 2² × 5¹ × 7¹ × 1307¹ × 22877¹
LCM(91490,91508) = 4186033460