What is the Least Common Multiple of 61691 and 61703?

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 61691 and 61703 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61691 and 61703, than apply into the LCM equation.

GCF(61691,61703) = 1
LCM(61691,61703) = ( 61691 × 61703) / 1
LCM(61691,61703) = 3806519773 / 1
LCM(61691,61703) = 3806519773

Least Common Multiple (LCM) of 61691 and 61703 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61691 and 61703. First we will calculate the prime factors of 61691 and 61703.

Prime Factorization of 61691

Prime Factorization of 61703

Now multiplying the highest exponent prime factors to calculate the LCM of 61691 and 61703.

LCM(61691,61703) = 7² × 1259¹ × 61703¹
LCM(61691,61703) = 3806519773