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What is the Least Common Multiple of 76875 and 76880?

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 76875 and 76880 is 1182030000.

LCM(76875,76880) = 1182030000

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Least Common Multiple of 76875 and 76880 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76875 and 76880, than apply into the LCM equation.

GCF(76875,76880) = 5
LCM(76875,76880) = ( 76875 × 76880) / 5
LCM(76875,76880) = 5910150000 / 5
LCM(76875,76880) = 1182030000

Least Common Multiple (LCM) of 76875 and 76880 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76875 and 76880. First we will calculate the prime factors of 76875 and 76880.

Prime Factorization of 76875

Prime factors of 76875 are 3, 5, 41. Prime factorization of 76875 in exponential form is:

76875 = 31 × 54 × 411

Prime Factorization of 76880

Prime factors of 76880 are 2, 5, 31. Prime factorization of 76880 in exponential form is:

76880 = 24 × 51 × 312

Now multiplying the highest exponent prime factors to calculate the LCM of 76875 and 76880.

LCM(76875,76880) = 31 × 54 × 411 × 24 × 312
LCM(76875,76880) = 1182030000