What is the Least Common Multiple of 86974 and 86994?

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 86974 and 86994 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86974 and 86994, than apply into the LCM equation.

GCF(86974,86994) = 2
LCM(86974,86994) = ( 86974 × 86994) / 2
LCM(86974,86994) = 7566216156 / 2
LCM(86974,86994) = 3783108078

Least Common Multiple (LCM) of 86974 and 86994 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86974 and 86994. First we will calculate the prime factors of 86974 and 86994.

Prime Factorization of 86974

Prime Factorization of 86994

Now multiplying the highest exponent prime factors to calculate the LCM of 86974 and 86994.

LCM(86974,86994) = 2¹ × 43487¹ × 3⁵ × 179¹
LCM(86974,86994) = 3783108078