GCF and LCM Calculator Logo

What is the Least Common Multiple of 21794 and 21807?

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 21794 and 21807 is 475261758.

LCM(21794,21807) = 475261758

LCM Calculator and
and

Least Common Multiple of 21794 and 21807 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21794 and 21807, than apply into the LCM equation.

GCF(21794,21807) = 1
LCM(21794,21807) = ( 21794 × 21807) / 1
LCM(21794,21807) = 475261758 / 1
LCM(21794,21807) = 475261758

Least Common Multiple (LCM) of 21794 and 21807 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21794 and 21807. First we will calculate the prime factors of 21794 and 21807.

Prime Factorization of 21794

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

21794 = 21 × 171 × 6411

Prime Factorization of 21807

Prime factors of 21807 are 3, 2423. Prime factorization of 21807 in exponential form is:

21807 = 32 × 24231

Now multiplying the highest exponent prime factors to calculate the LCM of 21794 and 21807.

LCM(21794,21807) = 21 × 171 × 6411 × 32 × 24231
LCM(21794,21807) = 475261758