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What is the Least Common Multiple of 91440 and 91453?

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 91440 and 91453 is 8362462320.

LCM(91440,91453) = 8362462320

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Least Common Multiple of 91440 and 91453 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91440 and 91453, than apply into the LCM equation.

GCF(91440,91453) = 1
LCM(91440,91453) = ( 91440 × 91453) / 1
LCM(91440,91453) = 8362462320 / 1
LCM(91440,91453) = 8362462320

Least Common Multiple (LCM) of 91440 and 91453 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91440 and 91453. First we will calculate the prime factors of 91440 and 91453.

Prime Factorization of 91440

Prime factors of 91440 are 2, 3, 5, 127. Prime factorization of 91440 in exponential form is:

91440 = 24 × 32 × 51 × 1271

Prime Factorization of 91453

Prime factors of 91453 are 91453. Prime factorization of 91453 in exponential form is:

91453 = 914531

Now multiplying the highest exponent prime factors to calculate the LCM of 91440 and 91453.

LCM(91440,91453) = 24 × 32 × 51 × 1271 × 914531
LCM(91440,91453) = 8362462320