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What is the Least Common Multiple of 78322 and 78342?

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 78322 and 78342 is 3067951062.

LCM(78322,78342) = 3067951062

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Least Common Multiple of 78322 and 78342 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78322 and 78342, than apply into the LCM equation.

GCF(78322,78342) = 2
LCM(78322,78342) = ( 78322 × 78342) / 2
LCM(78322,78342) = 6135902124 / 2
LCM(78322,78342) = 3067951062

Least Common Multiple (LCM) of 78322 and 78342 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78322 and 78342. First we will calculate the prime factors of 78322 and 78342.

Prime Factorization of 78322

Prime factors of 78322 are 2, 39161. Prime factorization of 78322 in exponential form is:

78322 = 21 × 391611

Prime Factorization of 78342

Prime factors of 78342 are 2, 3, 11, 1187. Prime factorization of 78342 in exponential form is:

78342 = 21 × 31 × 111 × 11871

Now multiplying the highest exponent prime factors to calculate the LCM of 78322 and 78342.

LCM(78322,78342) = 21 × 391611 × 31 × 111 × 11871
LCM(78322,78342) = 3067951062