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What is the Least Common Multiple of 30261 and 30275?

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 30261 and 30275 is 130878825.

LCM(30261,30275) = 130878825

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Least Common Multiple of 30261 and 30275 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30261 and 30275, than apply into the LCM equation.

GCF(30261,30275) = 7
LCM(30261,30275) = ( 30261 × 30275) / 7
LCM(30261,30275) = 916151775 / 7
LCM(30261,30275) = 130878825

Least Common Multiple (LCM) of 30261 and 30275 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30261 and 30275. First we will calculate the prime factors of 30261 and 30275.

Prime Factorization of 30261

Prime factors of 30261 are 3, 7, 11, 131. Prime factorization of 30261 in exponential form is:

30261 = 31 × 71 × 111 × 1311

Prime Factorization of 30275

Prime factors of 30275 are 5, 7, 173. Prime factorization of 30275 in exponential form is:

30275 = 52 × 71 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 30261 and 30275.

LCM(30261,30275) = 31 × 71 × 111 × 1311 × 52 × 1731
LCM(30261,30275) = 130878825