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What is the Least Common Multiple of 78374 and 78393?

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 78374 and 78393 is 6143972982.

LCM(78374,78393) = 6143972982

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Least Common Multiple of 78374 and 78393 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78374 and 78393, than apply into the LCM equation.

GCF(78374,78393) = 1
LCM(78374,78393) = ( 78374 × 78393) / 1
LCM(78374,78393) = 6143972982 / 1
LCM(78374,78393) = 6143972982

Least Common Multiple (LCM) of 78374 and 78393 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78374 and 78393. First we will calculate the prime factors of 78374 and 78393.

Prime Factorization of 78374

Prime factors of 78374 are 2, 149, 263. Prime factorization of 78374 in exponential form is:

78374 = 21 × 1491 × 2631

Prime Factorization of 78393

Prime factors of 78393 are 3, 7, 3733. Prime factorization of 78393 in exponential form is:

78393 = 31 × 71 × 37331

Now multiplying the highest exponent prime factors to calculate the LCM of 78374 and 78393.

LCM(78374,78393) = 21 × 1491 × 2631 × 31 × 71 × 37331
LCM(78374,78393) = 6143972982