What is the Least Common Multiple of 39556 and 39560?

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 39556 and 39560 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39556 and 39560, than apply into the LCM equation.

GCF(39556,39560) = 4
LCM(39556,39560) = ( 39556 × 39560) / 4
LCM(39556,39560) = 1564835360 / 4
LCM(39556,39560) = 391208840

Least Common Multiple (LCM) of 39556 and 39560 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39556 and 39560. First we will calculate the prime factors of 39556 and 39560.

Prime Factorization of 39556

Prime Factorization of 39560

Now multiplying the highest exponent prime factors to calculate the LCM of 39556 and 39560.

LCM(39556,39560) = 2³ × 11¹ × 29¹ × 31¹ × 5¹ × 23¹ × 43¹
LCM(39556,39560) = 391208840