What is the Least Common Multiple of 71756 and 71776?

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 71756 and 71776 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71756 and 71776, than apply into the LCM equation.

GCF(71756,71776) = 4
LCM(71756,71776) = ( 71756 × 71776) / 4
LCM(71756,71776) = 5150358656 / 4
LCM(71756,71776) = 1287589664

Least Common Multiple (LCM) of 71756 and 71776 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71756 and 71776. First we will calculate the prime factors of 71756 and 71776.

Prime Factorization of 71756

Prime Factorization of 71776

Now multiplying the highest exponent prime factors to calculate the LCM of 71756 and 71776.

LCM(71756,71776) = 2⁵ × 17939¹ × 2243¹
LCM(71756,71776) = 1287589664