What is the Least Common Multiple of 81711 and 81715?

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 81711 and 81715 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81711 and 81715, than apply into the LCM equation.

GCF(81711,81715) = 1
LCM(81711,81715) = ( 81711 × 81715) / 1
LCM(81711,81715) = 6677014365 / 1
LCM(81711,81715) = 6677014365

Least Common Multiple (LCM) of 81711 and 81715 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81711 and 81715. First we will calculate the prime factors of 81711 and 81715.

Prime Factorization of 81711

Prime Factorization of 81715

Now multiplying the highest exponent prime factors to calculate the LCM of 81711 and 81715.

LCM(81711,81715) = 3² × 7¹ × 1297¹ × 5¹ × 59¹ × 277¹
LCM(81711,81715) = 6677014365