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What is the Least Common Multiple of 67308 and 67318?

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 67308 and 67318 is 2265519972.

LCM(67308,67318) = 2265519972

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Least Common Multiple of 67308 and 67318 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67308 and 67318, than apply into the LCM equation.

GCF(67308,67318) = 2
LCM(67308,67318) = ( 67308 × 67318) / 2
LCM(67308,67318) = 4531039944 / 2
LCM(67308,67318) = 2265519972

Least Common Multiple (LCM) of 67308 and 67318 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67308 and 67318. First we will calculate the prime factors of 67308 and 67318.

Prime Factorization of 67308

Prime factors of 67308 are 2, 3, 71, 79. Prime factorization of 67308 in exponential form is:

67308 = 22 × 31 × 711 × 791

Prime Factorization of 67318

Prime factors of 67318 are 2, 97, 347. Prime factorization of 67318 in exponential form is:

67318 = 21 × 971 × 3471

Now multiplying the highest exponent prime factors to calculate the LCM of 67308 and 67318.

LCM(67308,67318) = 22 × 31 × 711 × 791 × 971 × 3471
LCM(67308,67318) = 2265519972