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What is the Least Common Multiple of 76380 and 76396?

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 76380 and 76396 is 1458781620.

LCM(76380,76396) = 1458781620

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Least Common Multiple of 76380 and 76396 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76380 and 76396, than apply into the LCM equation.

GCF(76380,76396) = 4
LCM(76380,76396) = ( 76380 × 76396) / 4
LCM(76380,76396) = 5835126480 / 4
LCM(76380,76396) = 1458781620

Least Common Multiple (LCM) of 76380 and 76396 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76380 and 76396. First we will calculate the prime factors of 76380 and 76396.

Prime Factorization of 76380

Prime factors of 76380 are 2, 3, 5, 19, 67. Prime factorization of 76380 in exponential form is:

76380 = 22 × 31 × 51 × 191 × 671

Prime Factorization of 76396

Prime factors of 76396 are 2, 71, 269. Prime factorization of 76396 in exponential form is:

76396 = 22 × 711 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 76380 and 76396.

LCM(76380,76396) = 22 × 31 × 51 × 191 × 671 × 711 × 2691
LCM(76380,76396) = 1458781620