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What is the Least Common Multiple of 30705 and 30724?

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 30724 is 943380420.

LCM(30705,30724) = 943380420

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Least Common Multiple of 30705 and 30724 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 30724, than apply into the LCM equation.

GCF(30705,30724) = 1
LCM(30705,30724) = ( 30705 × 30724) / 1
LCM(30705,30724) = 943380420 / 1
LCM(30705,30724) = 943380420

Least Common Multiple (LCM) of 30705 and 30724 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30705 and 30724. First we will calculate the prime factors of 30705 and 30724.

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 30724

Prime factors of 30724 are 2, 7681. Prime factorization of 30724 in exponential form is:

30724 = 22 × 76811

Now multiplying the highest exponent prime factors to calculate the LCM of 30705 and 30724.

LCM(30705,30724) = 31 × 51 × 231 × 891 × 22 × 76811
LCM(30705,30724) = 943380420