What is the Least Common Multiple of 15760 and 15772?

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 15760 and 15772 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15760 and 15772, than apply into the LCM equation.

GCF(15760,15772) = 4
LCM(15760,15772) = ( 15760 × 15772) / 4
LCM(15760,15772) = 248566720 / 4
LCM(15760,15772) = 62141680

Least Common Multiple (LCM) of 15760 and 15772 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15760 and 15772. First we will calculate the prime factors of 15760 and 15772.

Prime Factorization of 15760

Prime Factorization of 15772

Now multiplying the highest exponent prime factors to calculate the LCM of 15760 and 15772.

LCM(15760,15772) = 2⁴ × 5¹ × 197¹ × 3943¹
LCM(15760,15772) = 62141680