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What is the Least Common Multiple of 91936 and 91942?

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 91936 and 91942 is 4226389856.

LCM(91936,91942) = 4226389856

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Least Common Multiple of 91936 and 91942 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91936 and 91942, than apply into the LCM equation.

GCF(91936,91942) = 2
LCM(91936,91942) = ( 91936 × 91942) / 2
LCM(91936,91942) = 8452779712 / 2
LCM(91936,91942) = 4226389856

Least Common Multiple (LCM) of 91936 and 91942 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91936 and 91942. First we will calculate the prime factors of 91936 and 91942.

Prime Factorization of 91936

Prime factors of 91936 are 2, 13, 17. Prime factorization of 91936 in exponential form is:

91936 = 25 × 132 × 171

Prime Factorization of 91942

Prime factors of 91942 are 2, 45971. Prime factorization of 91942 in exponential form is:

91942 = 21 × 459711

Now multiplying the highest exponent prime factors to calculate the LCM of 91936 and 91942.

LCM(91936,91942) = 25 × 132 × 171 × 459711
LCM(91936,91942) = 4226389856