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What is the Least Common Multiple of 81522 and 81541?

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 81522 and 81541 is 6647385402.

LCM(81522,81541) = 6647385402

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Least Common Multiple of 81522 and 81541 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81522 and 81541, than apply into the LCM equation.

GCF(81522,81541) = 1
LCM(81522,81541) = ( 81522 × 81541) / 1
LCM(81522,81541) = 6647385402 / 1
LCM(81522,81541) = 6647385402

Least Common Multiple (LCM) of 81522 and 81541 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81522 and 81541. First we will calculate the prime factors of 81522 and 81541.

Prime Factorization of 81522

Prime factors of 81522 are 2, 3, 7, 647. Prime factorization of 81522 in exponential form is:

81522 = 21 × 32 × 71 × 6471

Prime Factorization of 81541

Prime factors of 81541 are 73, 1117. Prime factorization of 81541 in exponential form is:

81541 = 731 × 11171

Now multiplying the highest exponent prime factors to calculate the LCM of 81522 and 81541.

LCM(81522,81541) = 21 × 32 × 71 × 6471 × 731 × 11171
LCM(81522,81541) = 6647385402