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What is the Least Common Multiple of 79785 and 79789?

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 79785 and 79789 is 6365965365.

LCM(79785,79789) = 6365965365

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Least Common Multiple of 79785 and 79789 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79785 and 79789, than apply into the LCM equation.

GCF(79785,79789) = 1
LCM(79785,79789) = ( 79785 × 79789) / 1
LCM(79785,79789) = 6365965365 / 1
LCM(79785,79789) = 6365965365

Least Common Multiple (LCM) of 79785 and 79789 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79785 and 79789. First we will calculate the prime factors of 79785 and 79789.

Prime Factorization of 79785

Prime factors of 79785 are 3, 5, 197. Prime factorization of 79785 in exponential form is:

79785 = 34 × 51 × 1971

Prime Factorization of 79789

Prime factors of 79789 are 73, 1093. Prime factorization of 79789 in exponential form is:

79789 = 731 × 10931

Now multiplying the highest exponent prime factors to calculate the LCM of 79785 and 79789.

LCM(79785,79789) = 34 × 51 × 1971 × 731 × 10931
LCM(79785,79789) = 6365965365