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What is the Least Common Multiple of 91205 and 91216?

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 91205 and 91216 is 8319355280.

LCM(91205,91216) = 8319355280

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Least Common Multiple of 91205 and 91216 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91205 and 91216, than apply into the LCM equation.

GCF(91205,91216) = 1
LCM(91205,91216) = ( 91205 × 91216) / 1
LCM(91205,91216) = 8319355280 / 1
LCM(91205,91216) = 8319355280

Least Common Multiple (LCM) of 91205 and 91216 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91205 and 91216. First we will calculate the prime factors of 91205 and 91216.

Prime Factorization of 91205

Prime factors of 91205 are 5, 17, 29, 37. Prime factorization of 91205 in exponential form is:

91205 = 51 × 171 × 291 × 371

Prime Factorization of 91216

Prime factors of 91216 are 2, 5701. Prime factorization of 91216 in exponential form is:

91216 = 24 × 57011

Now multiplying the highest exponent prime factors to calculate the LCM of 91205 and 91216.

LCM(91205,91216) = 51 × 171 × 291 × 371 × 24 × 57011
LCM(91205,91216) = 8319355280