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What is the Least Common Multiple of 30447 and 30459?

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 30447 and 30459 is 309128391.

LCM(30447,30459) = 309128391

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Least Common Multiple of 30447 and 30459 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30447 and 30459, than apply into the LCM equation.

GCF(30447,30459) = 3
LCM(30447,30459) = ( 30447 × 30459) / 3
LCM(30447,30459) = 927385173 / 3
LCM(30447,30459) = 309128391

Least Common Multiple (LCM) of 30447 and 30459 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30447 and 30459. First we will calculate the prime factors of 30447 and 30459.

Prime Factorization of 30447

Prime factors of 30447 are 3, 17, 199. Prime factorization of 30447 in exponential form is:

30447 = 32 × 171 × 1991

Prime Factorization of 30459

Prime factors of 30459 are 3, 11, 13, 71. Prime factorization of 30459 in exponential form is:

30459 = 31 × 111 × 131 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 30447 and 30459.

LCM(30447,30459) = 32 × 171 × 1991 × 111 × 131 × 711
LCM(30447,30459) = 309128391