What is the Least Common Multiple of 9816 and 9821?

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 9816 and 9821 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9816 and 9821, than apply into the LCM equation.

GCF(9816,9821) = 1
LCM(9816,9821) = ( 9816 × 9821) / 1
LCM(9816,9821) = 96402936 / 1
LCM(9816,9821) = 96402936

Least Common Multiple (LCM) of 9816 and 9821 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9816 and 9821. First we will calculate the prime factors of 9816 and 9821.

Prime Factorization of 9816

Prime Factorization of 9821

Now multiplying the highest exponent prime factors to calculate the LCM of 9816 and 9821.

LCM(9816,9821) = 2³ × 3¹ × 409¹ × 7¹ × 23¹ × 61¹
LCM(9816,9821) = 96402936