GCF and LCM Calculator Logo

What is the Least Common Multiple of 21766 and 21775?

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 21766 and 21775 is 473954650.

LCM(21766,21775) = 473954650

LCM Calculator and
and

Least Common Multiple of 21766 and 21775 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21766 and 21775, than apply into the LCM equation.

GCF(21766,21775) = 1
LCM(21766,21775) = ( 21766 × 21775) / 1
LCM(21766,21775) = 473954650 / 1
LCM(21766,21775) = 473954650

Least Common Multiple (LCM) of 21766 and 21775 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21766 and 21775. First we will calculate the prime factors of 21766 and 21775.

Prime Factorization of 21766

Prime factors of 21766 are 2, 10883. Prime factorization of 21766 in exponential form is:

21766 = 21 × 108831

Prime Factorization of 21775

Prime factors of 21775 are 5, 13, 67. Prime factorization of 21775 in exponential form is:

21775 = 52 × 131 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 21766 and 21775.

LCM(21766,21775) = 21 × 108831 × 52 × 131 × 671
LCM(21766,21775) = 473954650