What is the Least Common Multiple of 86851 and 86861?

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 86851 and 86861 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86851 and 86861, than apply into the LCM equation.

GCF(86851,86861) = 1
LCM(86851,86861) = ( 86851 × 86861) / 1
LCM(86851,86861) = 7543964711 / 1
LCM(86851,86861) = 7543964711

Least Common Multiple (LCM) of 86851 and 86861 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86851 and 86861. First we will calculate the prime factors of 86851 and 86861.

Prime Factorization of 86851

Prime Factorization of 86861

Now multiplying the highest exponent prime factors to calculate the LCM of 86851 and 86861.

LCM(86851,86861) = 86851¹ × 86861¹
LCM(86851,86861) = 7543964711