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What is the Least Common Multiple of 81461 and 81468?

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 81461 and 81468 is 6636464748.

LCM(81461,81468) = 6636464748

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Least Common Multiple of 81461 and 81468 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81461 and 81468, than apply into the LCM equation.

GCF(81461,81468) = 1
LCM(81461,81468) = ( 81461 × 81468) / 1
LCM(81461,81468) = 6636464748 / 1
LCM(81461,81468) = 6636464748

Least Common Multiple (LCM) of 81461 and 81468 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81461 and 81468. First we will calculate the prime factors of 81461 and 81468.

Prime Factorization of 81461

Prime factors of 81461 are 29, 53. Prime factorization of 81461 in exponential form is:

81461 = 291 × 532

Prime Factorization of 81468

Prime factors of 81468 are 2, 3, 31, 73. Prime factorization of 81468 in exponential form is:

81468 = 22 × 32 × 311 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 81461 and 81468.

LCM(81461,81468) = 291 × 532 × 22 × 32 × 311 × 731
LCM(81461,81468) = 6636464748