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What is the Least Common Multiple of 64782 and 64794?

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 64782 and 64794 is 699580818.

LCM(64782,64794) = 699580818

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Least Common Multiple of 64782 and 64794 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64782 and 64794, than apply into the LCM equation.

GCF(64782,64794) = 6
LCM(64782,64794) = ( 64782 × 64794) / 6
LCM(64782,64794) = 4197484908 / 6
LCM(64782,64794) = 699580818

Least Common Multiple (LCM) of 64782 and 64794 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64782 and 64794. First we will calculate the prime factors of 64782 and 64794.

Prime Factorization of 64782

Prime factors of 64782 are 2, 3, 59, 61. Prime factorization of 64782 in exponential form is:

64782 = 21 × 32 × 591 × 611

Prime Factorization of 64794

Prime factors of 64794 are 2, 3, 10799. Prime factorization of 64794 in exponential form is:

64794 = 21 × 31 × 107991

Now multiplying the highest exponent prime factors to calculate the LCM of 64782 and 64794.

LCM(64782,64794) = 21 × 32 × 591 × 611 × 107991
LCM(64782,64794) = 699580818