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What is the Least Common Multiple of 81418 and 81437?

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 81418 and 81437 is 6630437666.

LCM(81418,81437) = 6630437666

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Least Common Multiple of 81418 and 81437 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81418 and 81437, than apply into the LCM equation.

GCF(81418,81437) = 1
LCM(81418,81437) = ( 81418 × 81437) / 1
LCM(81418,81437) = 6630437666 / 1
LCM(81418,81437) = 6630437666

Least Common Multiple (LCM) of 81418 and 81437 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81418 and 81437. First we will calculate the prime factors of 81418 and 81437.

Prime Factorization of 81418

Prime factors of 81418 are 2, 40709. Prime factorization of 81418 in exponential form is:

81418 = 21 × 407091

Prime Factorization of 81437

Prime factors of 81437 are 31, 37, 71. Prime factorization of 81437 in exponential form is:

81437 = 311 × 371 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 81418 and 81437.

LCM(81418,81437) = 21 × 407091 × 311 × 371 × 711
LCM(81418,81437) = 6630437666