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What is the Least Common Multiple of 78282 and 78300?

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 78282 and 78300 is 340526700.

LCM(78282,78300) = 340526700

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Least Common Multiple of 78282 and 78300 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78282 and 78300, than apply into the LCM equation.

GCF(78282,78300) = 18
LCM(78282,78300) = ( 78282 × 78300) / 18
LCM(78282,78300) = 6129480600 / 18
LCM(78282,78300) = 340526700

Least Common Multiple (LCM) of 78282 and 78300 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78282 and 78300. First we will calculate the prime factors of 78282 and 78300.

Prime Factorization of 78282

Prime factors of 78282 are 2, 3, 4349. Prime factorization of 78282 in exponential form is:

78282 = 21 × 32 × 43491

Prime Factorization of 78300

Prime factors of 78300 are 2, 3, 5, 29. Prime factorization of 78300 in exponential form is:

78300 = 22 × 33 × 52 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 78282 and 78300.

LCM(78282,78300) = 22 × 33 × 43491 × 52 × 291
LCM(78282,78300) = 340526700