What is the Least Common Multiple of 42087 and 42103?

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 42087 and 42103 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42087 and 42103, than apply into the LCM equation.

GCF(42087,42103) = 1
LCM(42087,42103) = ( 42087 × 42103) / 1
LCM(42087,42103) = 1771988961 / 1
LCM(42087,42103) = 1771988961

Least Common Multiple (LCM) of 42087 and 42103 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42087 and 42103. First we will calculate the prime factors of 42087 and 42103.

Prime Factorization of 42087

Prime Factorization of 42103

Now multiplying the highest exponent prime factors to calculate the LCM of 42087 and 42103.

LCM(42087,42103) = 3¹ × 14029¹ × 71¹ × 593¹
LCM(42087,42103) = 1771988961