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What is the Least Common Multiple of 54128 and 54142?

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 54128 and 54142 is 1465299088.

LCM(54128,54142) = 1465299088

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Least Common Multiple of 54128 and 54142 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54128 and 54142, than apply into the LCM equation.

GCF(54128,54142) = 2
LCM(54128,54142) = ( 54128 × 54142) / 2
LCM(54128,54142) = 2930598176 / 2
LCM(54128,54142) = 1465299088

Least Common Multiple (LCM) of 54128 and 54142 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54128 and 54142. First we will calculate the prime factors of 54128 and 54142.

Prime Factorization of 54128

Prime factors of 54128 are 2, 17, 199. Prime factorization of 54128 in exponential form is:

54128 = 24 × 171 × 1991

Prime Factorization of 54142

Prime factors of 54142 are 2, 11, 23, 107. Prime factorization of 54142 in exponential form is:

54142 = 21 × 111 × 231 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 54128 and 54142.

LCM(54128,54142) = 24 × 171 × 1991 × 111 × 231 × 1071
LCM(54128,54142) = 1465299088