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What is the Least Common Multiple of 1072 and 1086?

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 1072 and 1086 is 582096.

LCM(1072,1086) = 582096

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Least Common Multiple of 1072 and 1086 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1072 and 1086, than apply into the LCM equation.

GCF(1072,1086) = 2
LCM(1072,1086) = ( 1072 × 1086) / 2
LCM(1072,1086) = 1164192 / 2
LCM(1072,1086) = 582096

Least Common Multiple (LCM) of 1072 and 1086 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1072 and 1086. First we will calculate the prime factors of 1072 and 1086.

Prime Factorization of 1072

Prime factors of 1072 are 2, 67. Prime factorization of 1072 in exponential form is:

1072 = 24 × 671

Prime Factorization of 1086

Prime factors of 1086 are 2, 3, 181. Prime factorization of 1086 in exponential form is:

1086 = 21 × 31 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 1072 and 1086.

LCM(1072,1086) = 24 × 671 × 31 × 1811
LCM(1072,1086) = 582096