What is the Least Common Multiple of 68820 and 68824?

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 68820 and 68824 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68820 and 68824, than apply into the LCM equation.

GCF(68820,68824) = 4
LCM(68820,68824) = ( 68820 × 68824) / 4
LCM(68820,68824) = 4736467680 / 4
LCM(68820,68824) = 1184116920

Least Common Multiple (LCM) of 68820 and 68824 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68820 and 68824. First we will calculate the prime factors of 68820 and 68824.

Prime Factorization of 68820

Prime Factorization of 68824

Now multiplying the highest exponent prime factors to calculate the LCM of 68820 and 68824.

LCM(68820,68824) = 2³ × 3¹ × 5¹ × 31¹ × 37¹ × 7¹ × 1229¹
LCM(68820,68824) = 1184116920