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What is the Least Common Multiple of 17611 and 17620?

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 17611 and 17620 is 310305820.

LCM(17611,17620) = 310305820

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Least Common Multiple of 17611 and 17620 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17611 and 17620, than apply into the LCM equation.

GCF(17611,17620) = 1
LCM(17611,17620) = ( 17611 × 17620) / 1
LCM(17611,17620) = 310305820 / 1
LCM(17611,17620) = 310305820

Least Common Multiple (LCM) of 17611 and 17620 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17611 and 17620. First we will calculate the prime factors of 17611 and 17620.

Prime Factorization of 17611

Prime factors of 17611 are 11, 1601. Prime factorization of 17611 in exponential form is:

17611 = 111 × 16011

Prime Factorization of 17620

Prime factors of 17620 are 2, 5, 881. Prime factorization of 17620 in exponential form is:

17620 = 22 × 51 × 8811

Now multiplying the highest exponent prime factors to calculate the LCM of 17611 and 17620.

LCM(17611,17620) = 111 × 16011 × 22 × 51 × 8811
LCM(17611,17620) = 310305820