What is the Least Common Multiple of 39556 and 39562?

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 39562 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 39562, than apply into the LCM equation.

GCF(39556,39562) = 2
LCM(39556,39562) = ( 39556 × 39562) / 2
LCM(39556,39562) = 1564914472 / 2
LCM(39556,39562) = 782457236

Least Common Multiple (LCM) of 39556 and 39562 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39556 and 39562. First we will calculate the prime factors of 39556 and 39562.

Prime Factorization of 39556

Prime Factorization of 39562

Now multiplying the highest exponent prime factors to calculate the LCM of 39556 and 39562.

LCM(39556,39562) = 2² × 11¹ × 29¹ × 31¹ × 131¹ × 151¹
LCM(39556,39562) = 782457236