What is the Least Common Multiple of 60432 and 60440?

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 60432 and 60440 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 60432 and 60440, than apply into the LCM equation.

GCF(60432,60440) = 8
LCM(60432,60440) = ( 60432 × 60440) / 8
LCM(60432,60440) = 3652510080 / 8
LCM(60432,60440) = 456563760

Least Common Multiple (LCM) of 60432 and 60440 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 60432 and 60440. First we will calculate the prime factors of 60432 and 60440.

Prime Factorization of 60432

Prime Factorization of 60440

Now multiplying the highest exponent prime factors to calculate the LCM of 60432 and 60440.

LCM(60432,60440) = 2⁴ × 3¹ × 1259¹ × 5¹ × 1511¹
LCM(60432,60440) = 456563760