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What is the Least Common Multiple of 89045 and 89056?

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 89045 and 89056 is 720908320.

LCM(89045,89056) = 720908320

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Least Common Multiple of 89045 and 89056 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89045 and 89056, than apply into the LCM equation.

GCF(89045,89056) = 11
LCM(89045,89056) = ( 89045 × 89056) / 11
LCM(89045,89056) = 7929991520 / 11
LCM(89045,89056) = 720908320

Least Common Multiple (LCM) of 89045 and 89056 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89045 and 89056. First we will calculate the prime factors of 89045 and 89056.

Prime Factorization of 89045

Prime factors of 89045 are 5, 11, 1619. Prime factorization of 89045 in exponential form is:

89045 = 51 × 111 × 16191

Prime Factorization of 89056

Prime factors of 89056 are 2, 11, 23. Prime factorization of 89056 in exponential form is:

89056 = 25 × 112 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 89045 and 89056.

LCM(89045,89056) = 51 × 112 × 16191 × 25 × 231
LCM(89045,89056) = 720908320