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What is the Least Common Multiple of 78102 and 78108?

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 78102 and 78108 is 1016731836.

LCM(78102,78108) = 1016731836

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Least Common Multiple of 78102 and 78108 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78102 and 78108, than apply into the LCM equation.

GCF(78102,78108) = 6
LCM(78102,78108) = ( 78102 × 78108) / 6
LCM(78102,78108) = 6100391016 / 6
LCM(78102,78108) = 1016731836

Least Common Multiple (LCM) of 78102 and 78108 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78102 and 78108. First we will calculate the prime factors of 78102 and 78108.

Prime Factorization of 78102

Prime factors of 78102 are 2, 3, 4339. Prime factorization of 78102 in exponential form is:

78102 = 21 × 32 × 43391

Prime Factorization of 78108

Prime factors of 78108 are 2, 3, 23, 283. Prime factorization of 78108 in exponential form is:

78108 = 22 × 31 × 231 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 78102 and 78108.

LCM(78102,78108) = 22 × 32 × 43391 × 231 × 2831
LCM(78102,78108) = 1016731836