What is the Least Common Multiple of 42739 and 42759?

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 42739 and 42759 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42739 and 42759, than apply into the LCM equation.

GCF(42739,42759) = 1
LCM(42739,42759) = ( 42739 × 42759) / 1
LCM(42739,42759) = 1827476901 / 1
LCM(42739,42759) = 1827476901

Least Common Multiple (LCM) of 42739 and 42759 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42739 and 42759. First we will calculate the prime factors of 42739 and 42759.

Prime Factorization of 42739

Prime Factorization of 42759

Now multiplying the highest exponent prime factors to calculate the LCM of 42739 and 42759.

LCM(42739,42759) = 79¹ × 541¹ × 3² × 4751¹
LCM(42739,42759) = 1827476901