What is the Least Common Multiple of 15754 and 15770?

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 15754 and 15770 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15754 and 15770, than apply into the LCM equation.

GCF(15754,15770) = 2
LCM(15754,15770) = ( 15754 × 15770) / 2
LCM(15754,15770) = 248440580 / 2
LCM(15754,15770) = 124220290

Least Common Multiple (LCM) of 15754 and 15770 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15754 and 15770. First we will calculate the prime factors of 15754 and 15770.

Prime Factorization of 15754

Prime Factorization of 15770

Now multiplying the highest exponent prime factors to calculate the LCM of 15754 and 15770.

LCM(15754,15770) = 2¹ × 7877¹ × 5¹ × 19¹ × 83¹
LCM(15754,15770) = 124220290