What is the Least Common Multiple of 56978 and 56986?

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 56978 and 56986 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56978 and 56986, than apply into the LCM equation.

GCF(56978,56986) = 2
LCM(56978,56986) = ( 56978 × 56986) / 2
LCM(56978,56986) = 3246948308 / 2
LCM(56978,56986) = 1623474154

Least Common Multiple (LCM) of 56978 and 56986 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56978 and 56986. First we will calculate the prime factors of 56978 and 56986.

Prime Factorization of 56978

Prime Factorization of 56986

Now multiplying the highest exponent prime factors to calculate the LCM of 56978 and 56986.

LCM(56978,56986) = 2¹ × 31¹ × 919¹ × 28493¹
LCM(56978,56986) = 1623474154