What is the Least Common Multiple of 10820 and 10828?

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 10820 and 10828 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10820 and 10828, than apply into the LCM equation.

GCF(10820,10828) = 4
LCM(10820,10828) = ( 10820 × 10828) / 4
LCM(10820,10828) = 117158960 / 4
LCM(10820,10828) = 29289740

Least Common Multiple (LCM) of 10820 and 10828 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10820 and 10828. First we will calculate the prime factors of 10820 and 10828.

Prime Factorization of 10820

Prime Factorization of 10828

Now multiplying the highest exponent prime factors to calculate the LCM of 10820 and 10828.

LCM(10820,10828) = 2² × 5¹ × 541¹ × 2707¹
LCM(10820,10828) = 29289740