What is the Least Common Multiple of 1342 and 1357?

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 of 1342 and 1357 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1342 and 1357, than apply into the LCM equation.

GCF(1342,1357) = 1
LCM(1342,1357) = ( 1342 × 1357) / 1
LCM(1342,1357) = 1821094 / 1
LCM(1342,1357) = 1821094

Least Common Multiple (LCM) of 1342 and 1357 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1342 and 1357. First we will calculate the prime factors of 1342 and 1357.

Prime Factorization of 1342

Prime Factorization of 1357

Now multiplying the highest exponent prime factors to calculate the LCM of 1342 and 1357.

LCM(1342,1357) = 2¹ × 11¹ × 61¹ × 23¹ × 59¹
LCM(1342,1357) = 1821094