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What is the Least Common Multiple of 91062 and 91080?

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 91062 and 91080 is 460773720.

LCM(91062,91080) = 460773720

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Least Common Multiple of 91062 and 91080 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91062 and 91080, than apply into the LCM equation.

GCF(91062,91080) = 18
LCM(91062,91080) = ( 91062 × 91080) / 18
LCM(91062,91080) = 8293926960 / 18
LCM(91062,91080) = 460773720

Least Common Multiple (LCM) of 91062 and 91080 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91062 and 91080. First we will calculate the prime factors of 91062 and 91080.

Prime Factorization of 91062

Prime factors of 91062 are 2, 3, 5059. Prime factorization of 91062 in exponential form is:

91062 = 21 × 32 × 50591

Prime Factorization of 91080

Prime factors of 91080 are 2, 3, 5, 11, 23. Prime factorization of 91080 in exponential form is:

91080 = 23 × 32 × 51 × 111 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 91062 and 91080.

LCM(91062,91080) = 23 × 32 × 50591 × 51 × 111 × 231
LCM(91062,91080) = 460773720