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What is the Least Common Multiple of 78370 and 78382?

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 78370 and 78382 is 3071398670.

LCM(78370,78382) = 3071398670

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Least Common Multiple of 78370 and 78382 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78370 and 78382, than apply into the LCM equation.

GCF(78370,78382) = 2
LCM(78370,78382) = ( 78370 × 78382) / 2
LCM(78370,78382) = 6142797340 / 2
LCM(78370,78382) = 3071398670

Least Common Multiple (LCM) of 78370 and 78382 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78370 and 78382. First we will calculate the prime factors of 78370 and 78382.

Prime Factorization of 78370

Prime factors of 78370 are 2, 5, 17, 461. Prime factorization of 78370 in exponential form is:

78370 = 21 × 51 × 171 × 4611

Prime Factorization of 78382

Prime factors of 78382 are 2, 39191. Prime factorization of 78382 in exponential form is:

78382 = 21 × 391911

Now multiplying the highest exponent prime factors to calculate the LCM of 78370 and 78382.

LCM(78370,78382) = 21 × 51 × 171 × 4611 × 391911
LCM(78370,78382) = 3071398670