What is the Least Common Multiple of 42686 and 42693?

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 42686 and 42693 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42686 and 42693, than apply into the LCM equation.

GCF(42686,42693) = 7
LCM(42686,42693) = ( 42686 × 42693) / 7
LCM(42686,42693) = 1822393398 / 7
LCM(42686,42693) = 260341914

Least Common Multiple (LCM) of 42686 and 42693 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42686 and 42693. First we will calculate the prime factors of 42686 and 42693.

Prime Factorization of 42686

Prime Factorization of 42693

Now multiplying the highest exponent prime factors to calculate the LCM of 42686 and 42693.

LCM(42686,42693) = 2¹ × 7¹ × 3049¹ × 3¹ × 19¹ × 107¹
LCM(42686,42693) = 260341914