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What is the Least Common Multiple of 54432 and 54442?

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 (LCM) of 54432 and 54442 is 1481693472.

LCM(54432,54442) = 1481693472

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Least Common Multiple of 54432 and 54442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54432 and 54442, than apply into the LCM equation.

GCF(54432,54442) = 2
LCM(54432,54442) = ( 54432 × 54442) / 2
LCM(54432,54442) = 2963386944 / 2
LCM(54432,54442) = 1481693472

Least Common Multiple (LCM) of 54432 and 54442 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54432 and 54442. First we will calculate the prime factors of 54432 and 54442.

Prime Factorization of 54432

Prime factors of 54432 are 2, 3, 7. Prime factorization of 54432 in exponential form is:

54432 = 25 × 35 × 71

Prime Factorization of 54442

Prime factors of 54442 are 2, 163, 167. Prime factorization of 54442 in exponential form is:

54442 = 21 × 1631 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 54432 and 54442.

LCM(54432,54442) = 25 × 35 × 71 × 1631 × 1671
LCM(54432,54442) = 1481693472