What is the Least Common Multiple of 99460 and 99478?

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 99460 and 99478 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99460 and 99478, than apply into the LCM equation.

GCF(99460,99478) = 2
LCM(99460,99478) = ( 99460 × 99478) / 2
LCM(99460,99478) = 9894081880 / 2
LCM(99460,99478) = 4947040940

Least Common Multiple (LCM) of 99460 and 99478 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99460 and 99478. First we will calculate the prime factors of 99460 and 99478.

Prime Factorization of 99460

Prime Factorization of 99478

Now multiplying the highest exponent prime factors to calculate the LCM of 99460 and 99478.

LCM(99460,99478) = 2² × 5¹ × 4973¹ × 49739¹
LCM(99460,99478) = 4947040940