What is the Least Common Multiple of 57980 and 57988?

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 57980 and 57988 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57980 and 57988, than apply into the LCM equation.

GCF(57980,57988) = 4
LCM(57980,57988) = ( 57980 × 57988) / 4
LCM(57980,57988) = 3362144240 / 4
LCM(57980,57988) = 840536060

Least Common Multiple (LCM) of 57980 and 57988 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57980 and 57988. First we will calculate the prime factors of 57980 and 57988.

Prime Factorization of 57980

Prime Factorization of 57988

Now multiplying the highest exponent prime factors to calculate the LCM of 57980 and 57988.

LCM(57980,57988) = 2² × 5¹ × 13¹ × 223¹ × 7¹ × 19¹ × 109¹
LCM(57980,57988) = 840536060