GCF and LCM Calculator Logo

What is the Least Common Multiple of 21352 and 21365?

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 21352 and 21365 is 456185480.

LCM(21352,21365) = 456185480

LCM Calculator and
and

Least Common Multiple of 21352 and 21365 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21352 and 21365, than apply into the LCM equation.

GCF(21352,21365) = 1
LCM(21352,21365) = ( 21352 × 21365) / 1
LCM(21352,21365) = 456185480 / 1
LCM(21352,21365) = 456185480

Least Common Multiple (LCM) of 21352 and 21365 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21352 and 21365. First we will calculate the prime factors of 21352 and 21365.

Prime Factorization of 21352

Prime factors of 21352 are 2, 17, 157. Prime factorization of 21352 in exponential form is:

21352 = 23 × 171 × 1571

Prime Factorization of 21365

Prime factors of 21365 are 5, 4273. Prime factorization of 21365 in exponential form is:

21365 = 51 × 42731

Now multiplying the highest exponent prime factors to calculate the LCM of 21352 and 21365.

LCM(21352,21365) = 23 × 171 × 1571 × 51 × 42731
LCM(21352,21365) = 456185480