What is the Least Common Multiple of 10821 and 10838?

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 10821 and 10838 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10821 and 10838, than apply into the LCM equation.

GCF(10821,10838) = 1
LCM(10821,10838) = ( 10821 × 10838) / 1
LCM(10821,10838) = 117277998 / 1
LCM(10821,10838) = 117277998

Least Common Multiple (LCM) of 10821 and 10838 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10821 and 10838. First we will calculate the prime factors of 10821 and 10838.

Prime Factorization of 10821

Prime Factorization of 10838

Now multiplying the highest exponent prime factors to calculate the LCM of 10821 and 10838.

LCM(10821,10838) = 3¹ × 3607¹ × 2¹ × 5419¹
LCM(10821,10838) = 117277998