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What is the Least Common Multiple of 91738 and 91744?

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 91738 and 91744 is 4208205536.

LCM(91738,91744) = 4208205536

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Least Common Multiple of 91738 and 91744 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91738 and 91744, than apply into the LCM equation.

GCF(91738,91744) = 2
LCM(91738,91744) = ( 91738 × 91744) / 2
LCM(91738,91744) = 8416411072 / 2
LCM(91738,91744) = 4208205536

Least Common Multiple (LCM) of 91738 and 91744 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91738 and 91744. First we will calculate the prime factors of 91738 and 91744.

Prime Factorization of 91738

Prime factors of 91738 are 2, 45869. Prime factorization of 91738 in exponential form is:

91738 = 21 × 458691

Prime Factorization of 91744

Prime factors of 91744 are 2, 47, 61. Prime factorization of 91744 in exponential form is:

91744 = 25 × 471 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 91738 and 91744.

LCM(91738,91744) = 25 × 458691 × 471 × 611
LCM(91738,91744) = 4208205536