What is the Least Common Multiple of 9921 and 9928?

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 9921 and 9928 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9921 and 9928, than apply into the LCM equation.

GCF(9921,9928) = 1
LCM(9921,9928) = ( 9921 × 9928) / 1
LCM(9921,9928) = 98495688 / 1
LCM(9921,9928) = 98495688

Least Common Multiple (LCM) of 9921 and 9928 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9921 and 9928. First we will calculate the prime factors of 9921 and 9928.

Prime Factorization of 9921

Prime Factorization of 9928

Now multiplying the highest exponent prime factors to calculate the LCM of 9921 and 9928.

LCM(9921,9928) = 3¹ × 3307¹ × 2³ × 17¹ × 73¹
LCM(9921,9928) = 98495688