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What is the Least Common Multiple of 78798 and 78815?

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 78798 and 78815 is 6210464370.

LCM(78798,78815) = 6210464370

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Least Common Multiple of 78798 and 78815 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78798 and 78815, than apply into the LCM equation.

GCF(78798,78815) = 1
LCM(78798,78815) = ( 78798 × 78815) / 1
LCM(78798,78815) = 6210464370 / 1
LCM(78798,78815) = 6210464370

Least Common Multiple (LCM) of 78798 and 78815 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78798 and 78815. First we will calculate the prime factors of 78798 and 78815.

Prime Factorization of 78798

Prime factors of 78798 are 2, 3, 23, 571. Prime factorization of 78798 in exponential form is:

78798 = 21 × 31 × 231 × 5711

Prime Factorization of 78815

Prime factors of 78815 are 5, 11, 1433. Prime factorization of 78815 in exponential form is:

78815 = 51 × 111 × 14331

Now multiplying the highest exponent prime factors to calculate the LCM of 78798 and 78815.

LCM(78798,78815) = 21 × 31 × 231 × 5711 × 51 × 111 × 14331
LCM(78798,78815) = 6210464370