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What is the Least Common Multiple of 91227 and 91242?

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 91227 and 91242 is 2774577978.

LCM(91227,91242) = 2774577978

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Least Common Multiple of 91227 and 91242 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91227 and 91242, than apply into the LCM equation.

GCF(91227,91242) = 3
LCM(91227,91242) = ( 91227 × 91242) / 3
LCM(91227,91242) = 8323733934 / 3
LCM(91227,91242) = 2774577978

Least Common Multiple (LCM) of 91227 and 91242 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91227 and 91242. First we will calculate the prime factors of 91227 and 91242.

Prime Factorization of 91227

Prime factors of 91227 are 3, 47, 647. Prime factorization of 91227 in exponential form is:

91227 = 31 × 471 × 6471

Prime Factorization of 91242

Prime factors of 91242 are 2, 3, 37, 137. Prime factorization of 91242 in exponential form is:

91242 = 21 × 32 × 371 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 91227 and 91242.

LCM(91227,91242) = 32 × 471 × 6471 × 21 × 371 × 1371
LCM(91227,91242) = 2774577978