What is the Least Common Multiple of 77240 and 77260?

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 77240 and 77260 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77240 and 77260, than apply into the LCM equation.

GCF(77240,77260) = 20
LCM(77240,77260) = ( 77240 × 77260) / 20
LCM(77240,77260) = 5967562400 / 20
LCM(77240,77260) = 298378120

Least Common Multiple (LCM) of 77240 and 77260 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77240 and 77260. First we will calculate the prime factors of 77240 and 77260.

Prime Factorization of 77240

Prime Factorization of 77260

Now multiplying the highest exponent prime factors to calculate the LCM of 77240 and 77260.

LCM(77240,77260) = 2³ × 5¹ × 1931¹ × 3863¹
LCM(77240,77260) = 298378120