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What is the Least Common Multiple of 61789 and 61807?

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 61789 and 61807 is 3818992723.

LCM(61789,61807) = 3818992723

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Least Common Multiple of 61789 and 61807 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61789 and 61807, than apply into the LCM equation.

GCF(61789,61807) = 1
LCM(61789,61807) = ( 61789 × 61807) / 1
LCM(61789,61807) = 3818992723 / 1
LCM(61789,61807) = 3818992723

Least Common Multiple (LCM) of 61789 and 61807 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61789 and 61807. First we will calculate the prime factors of 61789 and 61807.

Prime Factorization of 61789

Prime factors of 61789 are 7, 13, 97. Prime factorization of 61789 in exponential form is:

61789 = 72 × 131 × 971

Prime Factorization of 61807

Prime factors of 61807 are 19, 3253. Prime factorization of 61807 in exponential form is:

61807 = 191 × 32531

Now multiplying the highest exponent prime factors to calculate the LCM of 61789 and 61807.

LCM(61789,61807) = 72 × 131 × 971 × 191 × 32531
LCM(61789,61807) = 3818992723