What is the Least Common Multiple of 61473 and 61481?

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 61473 and 61481 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61473 and 61481, than apply into the LCM equation.

GCF(61473,61481) = 1
LCM(61473,61481) = ( 61473 × 61481) / 1
LCM(61473,61481) = 3779421513 / 1
LCM(61473,61481) = 3779421513

Least Common Multiple (LCM) of 61473 and 61481 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61473 and 61481. First we will calculate the prime factors of 61473 and 61481.

Prime Factorization of 61473

Prime Factorization of 61481

Now multiplying the highest exponent prime factors to calculate the LCM of 61473 and 61481.

LCM(61473,61481) = 3¹ × 31¹ × 661¹ × 7¹ × 8783¹
LCM(61473,61481) = 3779421513