What is the Least Common Multiple of 57776 and 57780?

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 57776 and 57780 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57776 and 57780, than apply into the LCM equation.

GCF(57776,57780) = 4
LCM(57776,57780) = ( 57776 × 57780) / 4
LCM(57776,57780) = 3338297280 / 4
LCM(57776,57780) = 834574320

Least Common Multiple (LCM) of 57776 and 57780 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57776 and 57780. First we will calculate the prime factors of 57776 and 57780.

Prime Factorization of 57776

Prime Factorization of 57780

Now multiplying the highest exponent prime factors to calculate the LCM of 57776 and 57780.

LCM(57776,57780) = 2⁴ × 23¹ × 157¹ × 3³ × 5¹ × 107¹
LCM(57776,57780) = 834574320