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What is the Least Common Multiple of 30738 and 30749?

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 30738 and 30749 is 945162762.

LCM(30738,30749) = 945162762

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Least Common Multiple of 30738 and 30749 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30738 and 30749, than apply into the LCM equation.

GCF(30738,30749) = 1
LCM(30738,30749) = ( 30738 × 30749) / 1
LCM(30738,30749) = 945162762 / 1
LCM(30738,30749) = 945162762

Least Common Multiple (LCM) of 30738 and 30749 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30738 and 30749. First we will calculate the prime factors of 30738 and 30749.

Prime Factorization of 30738

Prime factors of 30738 are 2, 3, 47, 109. Prime factorization of 30738 in exponential form is:

30738 = 21 × 31 × 471 × 1091

Prime Factorization of 30749

Prime factors of 30749 are 97, 317. Prime factorization of 30749 in exponential form is:

30749 = 971 × 3171

Now multiplying the highest exponent prime factors to calculate the LCM of 30738 and 30749.

LCM(30738,30749) = 21 × 31 × 471 × 1091 × 971 × 3171
LCM(30738,30749) = 945162762