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What is the Least Common Multiple of 91212 and 91231?

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 91212 and 91231 is 8321361972.

LCM(91212,91231) = 8321361972

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Least Common Multiple of 91212 and 91231 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91212 and 91231, than apply into the LCM equation.

GCF(91212,91231) = 1
LCM(91212,91231) = ( 91212 × 91231) / 1
LCM(91212,91231) = 8321361972 / 1
LCM(91212,91231) = 8321361972

Least Common Multiple (LCM) of 91212 and 91231 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91212 and 91231. First we will calculate the prime factors of 91212 and 91231.

Prime Factorization of 91212

Prime factors of 91212 are 2, 3, 11, 691. Prime factorization of 91212 in exponential form is:

91212 = 22 × 31 × 111 × 6911

Prime Factorization of 91231

Prime factors of 91231 are 7, 13033. Prime factorization of 91231 in exponential form is:

91231 = 71 × 130331

Now multiplying the highest exponent prime factors to calculate the LCM of 91212 and 91231.

LCM(91212,91231) = 22 × 31 × 111 × 6911 × 71 × 130331
LCM(91212,91231) = 8321361972