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What is the Least Common Multiple of 54140 and 54160?

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 54140 and 54160 is 146611120.

LCM(54140,54160) = 146611120

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Least Common Multiple of 54140 and 54160 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54140 and 54160, than apply into the LCM equation.

GCF(54140,54160) = 20
LCM(54140,54160) = ( 54140 × 54160) / 20
LCM(54140,54160) = 2932222400 / 20
LCM(54140,54160) = 146611120

Least Common Multiple (LCM) of 54140 and 54160 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54140 and 54160. First we will calculate the prime factors of 54140 and 54160.

Prime Factorization of 54140

Prime factors of 54140 are 2, 5, 2707. Prime factorization of 54140 in exponential form is:

54140 = 22 × 51 × 27071

Prime Factorization of 54160

Prime factors of 54160 are 2, 5, 677. Prime factorization of 54160 in exponential form is:

54160 = 24 × 51 × 6771

Now multiplying the highest exponent prime factors to calculate the LCM of 54140 and 54160.

LCM(54140,54160) = 24 × 51 × 27071 × 6771
LCM(54140,54160) = 146611120