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What is the Least Common Multiple of 30331 and 30340?

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 30331 and 30340 is 920242540.

LCM(30331,30340) = 920242540

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Least Common Multiple of 30331 and 30340 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30331 and 30340, than apply into the LCM equation.

GCF(30331,30340) = 1
LCM(30331,30340) = ( 30331 × 30340) / 1
LCM(30331,30340) = 920242540 / 1
LCM(30331,30340) = 920242540

Least Common Multiple (LCM) of 30331 and 30340 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30331 and 30340. First we will calculate the prime factors of 30331 and 30340.

Prime Factorization of 30331

Prime factors of 30331 are 7, 619. Prime factorization of 30331 in exponential form is:

30331 = 72 × 6191

Prime Factorization of 30340

Prime factors of 30340 are 2, 5, 37, 41. Prime factorization of 30340 in exponential form is:

30340 = 22 × 51 × 371 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 30331 and 30340.

LCM(30331,30340) = 72 × 6191 × 22 × 51 × 371 × 411
LCM(30331,30340) = 920242540