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What is the Least Common Multiple of 7128 and 7141?

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 7128 and 7141 is 50901048.

LCM(7128,7141) = 50901048

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Least Common Multiple of 7128 and 7141 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7128 and 7141, than apply into the LCM equation.

GCF(7128,7141) = 1
LCM(7128,7141) = ( 7128 × 7141) / 1
LCM(7128,7141) = 50901048 / 1
LCM(7128,7141) = 50901048

Least Common Multiple (LCM) of 7128 and 7141 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7128 and 7141. First we will calculate the prime factors of 7128 and 7141.

Prime Factorization of 7128

Prime factors of 7128 are 2, 3, 11. Prime factorization of 7128 in exponential form is:

7128 = 23 × 34 × 111

Prime Factorization of 7141

Prime factors of 7141 are 37, 193. Prime factorization of 7141 in exponential form is:

7141 = 371 × 1931

Now multiplying the highest exponent prime factors to calculate the LCM of 7128 and 7141.

LCM(7128,7141) = 23 × 34 × 111 × 371 × 1931
LCM(7128,7141) = 50901048