GCF and LCM Calculator Logo

What is the Least Common Multiple of 21374 and 21383?

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 21374 and 21383 is 457040242.

LCM(21374,21383) = 457040242

LCM Calculator and
and

Least Common Multiple of 21374 and 21383 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21374 and 21383, than apply into the LCM equation.

GCF(21374,21383) = 1
LCM(21374,21383) = ( 21374 × 21383) / 1
LCM(21374,21383) = 457040242 / 1
LCM(21374,21383) = 457040242

Least Common Multiple (LCM) of 21374 and 21383 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21374 and 21383. First we will calculate the prime factors of 21374 and 21383.

Prime Factorization of 21374

Prime factors of 21374 are 2, 10687. Prime factorization of 21374 in exponential form is:

21374 = 21 × 106871

Prime Factorization of 21383

Prime factors of 21383 are 21383. Prime factorization of 21383 in exponential form is:

21383 = 213831

Now multiplying the highest exponent prime factors to calculate the LCM of 21374 and 21383.

LCM(21374,21383) = 21 × 106871 × 213831
LCM(21374,21383) = 457040242