GCF and LCM Calculator Logo

What is the Least Common Multiple of 19817 and 19826?

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 19817 and 19826 is 392891842.

LCM(19817,19826) = 392891842

LCM Calculator and
and

Least Common Multiple of 19817 and 19826 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19817 and 19826, than apply into the LCM equation.

GCF(19817,19826) = 1
LCM(19817,19826) = ( 19817 × 19826) / 1
LCM(19817,19826) = 392891842 / 1
LCM(19817,19826) = 392891842

Least Common Multiple (LCM) of 19817 and 19826 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19817 and 19826. First we will calculate the prime factors of 19817 and 19826.

Prime Factorization of 19817

Prime factors of 19817 are 7, 19, 149. Prime factorization of 19817 in exponential form is:

19817 = 71 × 191 × 1491

Prime Factorization of 19826

Prime factors of 19826 are 2, 23, 431. Prime factorization of 19826 in exponential form is:

19826 = 21 × 231 × 4311

Now multiplying the highest exponent prime factors to calculate the LCM of 19817 and 19826.

LCM(19817,19826) = 71 × 191 × 1491 × 21 × 231 × 4311
LCM(19817,19826) = 392891842