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What is the Least Common Multiple of 30500 and 30505?

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 30500 and 30505 is 186080500.

LCM(30500,30505) = 186080500

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Least Common Multiple of 30500 and 30505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30500 and 30505, than apply into the LCM equation.

GCF(30500,30505) = 5
LCM(30500,30505) = ( 30500 × 30505) / 5
LCM(30500,30505) = 930402500 / 5
LCM(30500,30505) = 186080500

Least Common Multiple (LCM) of 30500 and 30505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30500 and 30505. First we will calculate the prime factors of 30500 and 30505.

Prime Factorization of 30500

Prime factors of 30500 are 2, 5, 61. Prime factorization of 30500 in exponential form is:

30500 = 22 × 53 × 611

Prime Factorization of 30505

Prime factors of 30505 are 5, 6101. Prime factorization of 30505 in exponential form is:

30505 = 51 × 61011

Now multiplying the highest exponent prime factors to calculate the LCM of 30500 and 30505.

LCM(30500,30505) = 22 × 53 × 611 × 61011
LCM(30500,30505) = 186080500