GCF and LCM Calculator Logo

What is the Least Common Multiple of 21075 and 21088?

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 (LCM) of 21075 and 21088 is 444429600.

LCM(21075,21088) = 444429600

LCM Calculator and
and

Least Common Multiple of 21075 and 21088 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21075 and 21088, than apply into the LCM equation.

GCF(21075,21088) = 1
LCM(21075,21088) = ( 21075 × 21088) / 1
LCM(21075,21088) = 444429600 / 1
LCM(21075,21088) = 444429600

Least Common Multiple (LCM) of 21075 and 21088 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21075 and 21088. First we will calculate the prime factors of 21075 and 21088.

Prime Factorization of 21075

Prime factors of 21075 are 3, 5, 281. Prime factorization of 21075 in exponential form is:

21075 = 31 × 52 × 2811

Prime Factorization of 21088

Prime factors of 21088 are 2, 659. Prime factorization of 21088 in exponential form is:

21088 = 25 × 6591

Now multiplying the highest exponent prime factors to calculate the LCM of 21075 and 21088.

LCM(21075,21088) = 31 × 52 × 2811 × 25 × 6591
LCM(21075,21088) = 444429600