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What is the Least Common Multiple of 91368 and 91380?

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 91368 and 91380 is 695767320.

LCM(91368,91380) = 695767320

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Least Common Multiple of 91368 and 91380 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91368 and 91380, than apply into the LCM equation.

GCF(91368,91380) = 12
LCM(91368,91380) = ( 91368 × 91380) / 12
LCM(91368,91380) = 8349207840 / 12
LCM(91368,91380) = 695767320

Least Common Multiple (LCM) of 91368 and 91380 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91368 and 91380. First we will calculate the prime factors of 91368 and 91380.

Prime Factorization of 91368

Prime factors of 91368 are 2, 3, 47. Prime factorization of 91368 in exponential form is:

91368 = 23 × 35 × 471

Prime Factorization of 91380

Prime factors of 91380 are 2, 3, 5, 1523. Prime factorization of 91380 in exponential form is:

91380 = 22 × 31 × 51 × 15231

Now multiplying the highest exponent prime factors to calculate the LCM of 91368 and 91380.

LCM(91368,91380) = 23 × 35 × 471 × 51 × 15231
LCM(91368,91380) = 695767320