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What is the Least Common Multiple of 76878 and 76898?

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 76878 and 76898 is 2955882222.

LCM(76878,76898) = 2955882222

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Least Common Multiple of 76878 and 76898 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76878 and 76898, than apply into the LCM equation.

GCF(76878,76898) = 2
LCM(76878,76898) = ( 76878 × 76898) / 2
LCM(76878,76898) = 5911764444 / 2
LCM(76878,76898) = 2955882222

Least Common Multiple (LCM) of 76878 and 76898 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76878 and 76898. First we will calculate the prime factors of 76878 and 76898.

Prime Factorization of 76878

Prime factors of 76878 are 2, 3, 4271. Prime factorization of 76878 in exponential form is:

76878 = 21 × 32 × 42711

Prime Factorization of 76898

Prime factors of 76898 are 2, 38449. Prime factorization of 76898 in exponential form is:

76898 = 21 × 384491

Now multiplying the highest exponent prime factors to calculate the LCM of 76878 and 76898.

LCM(76878,76898) = 21 × 32 × 42711 × 384491
LCM(76878,76898) = 2955882222