GCF and LCM Calculator Logo

What is the Least Common Multiple of 21775 and 21794?

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 21775 and 21794 is 474564350.

LCM(21775,21794) = 474564350

LCM Calculator and
and

Least Common Multiple of 21775 and 21794 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21775 and 21794, than apply into the LCM equation.

GCF(21775,21794) = 1
LCM(21775,21794) = ( 21775 × 21794) / 1
LCM(21775,21794) = 474564350 / 1
LCM(21775,21794) = 474564350

Least Common Multiple (LCM) of 21775 and 21794 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21775 and 21794. First we will calculate the prime factors of 21775 and 21794.

Prime Factorization of 21775

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

21775 = 52 × 131 × 671

Prime Factorization of 21794

Prime factors of 21794 are 2, 17, 641. Prime factorization of 21794 in exponential form is:

21794 = 21 × 171 × 6411

Now multiplying the highest exponent prime factors to calculate the LCM of 21775 and 21794.

LCM(21775,21794) = 52 × 131 × 671 × 21 × 171 × 6411
LCM(21775,21794) = 474564350