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What is the Least Common Multiple of 61809 and 61823?

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 61809 and 61823 is 3821217807.

LCM(61809,61823) = 3821217807

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Least Common Multiple of 61809 and 61823 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61809 and 61823, than apply into the LCM equation.

GCF(61809,61823) = 1
LCM(61809,61823) = ( 61809 × 61823) / 1
LCM(61809,61823) = 3821217807 / 1
LCM(61809,61823) = 3821217807

Least Common Multiple (LCM) of 61809 and 61823 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61809 and 61823. First we will calculate the prime factors of 61809 and 61823.

Prime Factorization of 61809

Prime factors of 61809 are 3, 11, 1873. Prime factorization of 61809 in exponential form is:

61809 = 31 × 111 × 18731

Prime Factorization of 61823

Prime factors of 61823 are 211, 293. Prime factorization of 61823 in exponential form is:

61823 = 2111 × 2931

Now multiplying the highest exponent prime factors to calculate the LCM of 61809 and 61823.

LCM(61809,61823) = 31 × 111 × 18731 × 2111 × 2931
LCM(61809,61823) = 3821217807