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What is the Least Common Multiple of 30705 and 30712?

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 30705 and 30712 is 943011960.

LCM(30705,30712) = 943011960

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Least Common Multiple of 30705 and 30712 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30705 and 30712, than apply into the LCM equation.

GCF(30705,30712) = 1
LCM(30705,30712) = ( 30705 × 30712) / 1
LCM(30705,30712) = 943011960 / 1
LCM(30705,30712) = 943011960

Least Common Multiple (LCM) of 30705 and 30712 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30705 and 30712. First we will calculate the prime factors of 30705 and 30712.

Prime Factorization of 30705

Prime factors of 30705 are 3, 5, 23, 89. Prime factorization of 30705 in exponential form is:

30705 = 31 × 51 × 231 × 891

Prime Factorization of 30712

Prime factors of 30712 are 2, 11, 349. Prime factorization of 30712 in exponential form is:

30712 = 23 × 111 × 3491

Now multiplying the highest exponent prime factors to calculate the LCM of 30705 and 30712.

LCM(30705,30712) = 31 × 51 × 231 × 891 × 23 × 111 × 3491
LCM(30705,30712) = 943011960