What is the Least Common Multiple of 42841 and 42859?

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 42841 and 42859 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42841 and 42859, than apply into the LCM equation.

GCF(42841,42859) = 1
LCM(42841,42859) = ( 42841 × 42859) / 1
LCM(42841,42859) = 1836122419 / 1
LCM(42841,42859) = 1836122419

Least Common Multiple (LCM) of 42841 and 42859 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42841 and 42859. First we will calculate the prime factors of 42841 and 42859.

Prime Factorization of 42841

Prime Factorization of 42859

Now multiplying the highest exponent prime factors to calculate the LCM of 42841 and 42859.

LCM(42841,42859) = 42841¹ × 42859¹
LCM(42841,42859) = 1836122419