What is the Least Common Multiple of 91510 and 91516?

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 91510 and 91516 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91510 and 91516, than apply into the LCM equation.

GCF(91510,91516) = 2
LCM(91510,91516) = ( 91510 × 91516) / 2
LCM(91510,91516) = 8374629160 / 2
LCM(91510,91516) = 4187314580

Least Common Multiple (LCM) of 91510 and 91516 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91510 and 91516. First we will calculate the prime factors of 91510 and 91516.

Prime Factorization of 91510

Prime Factorization of 91516

Now multiplying the highest exponent prime factors to calculate the LCM of 91510 and 91516.

LCM(91510,91516) = 2² × 5¹ × 9151¹ × 137¹ × 167¹
LCM(91510,91516) = 4187314580