GCF and LCM Calculator Logo

What is the Least Common Multiple of 42693 and 42704?

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 42693 and 42704 is 1823161872.

LCM(42693,42704) = 1823161872

LCM Calculator and
and

Least Common Multiple of 42693 and 42704 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42693 and 42704, than apply into the LCM equation.

GCF(42693,42704) = 1
LCM(42693,42704) = ( 42693 × 42704) / 1
LCM(42693,42704) = 1823161872 / 1
LCM(42693,42704) = 1823161872

Least Common Multiple (LCM) of 42693 and 42704 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42693 and 42704. First we will calculate the prime factors of 42693 and 42704.

Prime Factorization of 42693

Prime factors of 42693 are 3, 7, 19, 107. Prime factorization of 42693 in exponential form is:

42693 = 31 × 71 × 191 × 1071

Prime Factorization of 42704

Prime factors of 42704 are 2, 17, 157. Prime factorization of 42704 in exponential form is:

42704 = 24 × 171 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 42693 and 42704.

LCM(42693,42704) = 31 × 71 × 191 × 1071 × 24 × 171 × 1571
LCM(42693,42704) = 1823161872