What is the Least Common Multiple of 42085 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 42085 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 42085 and 42103, than apply into the LCM equation.

GCF(42085,42103) = 1
LCM(42085,42103) = ( 42085 × 42103) / 1
LCM(42085,42103) = 1771904755 / 1
LCM(42085,42103) = 1771904755

Least Common Multiple (LCM) of 42085 and 42103 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42085 and 42103. First we will calculate the prime factors of 42085 and 42103.

Prime Factorization of 42085

Prime Factorization of 42103

Now multiplying the highest exponent prime factors to calculate the LCM of 42085 and 42103.

LCM(42085,42103) = 5¹ × 19¹ × 443¹ × 71¹ × 593¹
LCM(42085,42103) = 1771904755