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What is the Least Common Multiple of 61617 and 61636?

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 61617 and 61636 is 199885548.

LCM(61617,61636) = 199885548

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Least Common Multiple of 61617 and 61636 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61617 and 61636, than apply into the LCM equation.

GCF(61617,61636) = 19
LCM(61617,61636) = ( 61617 × 61636) / 19
LCM(61617,61636) = 3797825412 / 19
LCM(61617,61636) = 199885548

Least Common Multiple (LCM) of 61617 and 61636 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61617 and 61636. First we will calculate the prime factors of 61617 and 61636.

Prime Factorization of 61617

Prime factors of 61617 are 3, 19, 23, 47. Prime factorization of 61617 in exponential form is:

61617 = 31 × 191 × 231 × 471

Prime Factorization of 61636

Prime factors of 61636 are 2, 19, 811. Prime factorization of 61636 in exponential form is:

61636 = 22 × 191 × 8111

Now multiplying the highest exponent prime factors to calculate the LCM of 61617 and 61636.

LCM(61617,61636) = 31 × 191 × 231 × 471 × 22 × 8111
LCM(61617,61636) = 199885548