GCF and LCM Calculator Logo

What is the Least Common Multiple of 21832 and 21842?

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 21832 and 21842 is 238427272.

LCM(21832,21842) = 238427272

LCM Calculator and
and

Least Common Multiple of 21832 and 21842 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21832 and 21842, than apply into the LCM equation.

GCF(21832,21842) = 2
LCM(21832,21842) = ( 21832 × 21842) / 2
LCM(21832,21842) = 476854544 / 2
LCM(21832,21842) = 238427272

Least Common Multiple (LCM) of 21832 and 21842 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21832 and 21842. First we will calculate the prime factors of 21832 and 21842.

Prime Factorization of 21832

Prime factors of 21832 are 2, 2729. Prime factorization of 21832 in exponential form is:

21832 = 23 × 27291

Prime Factorization of 21842

Prime factors of 21842 are 2, 67, 163. Prime factorization of 21842 in exponential form is:

21842 = 21 × 671 × 1631

Now multiplying the highest exponent prime factors to calculate the LCM of 21832 and 21842.

LCM(21832,21842) = 23 × 27291 × 671 × 1631
LCM(21832,21842) = 238427272