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What is the Least Common Multiple of 91716 and 91732?

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 91716 and 91732 is 2103323028.

LCM(91716,91732) = 2103323028

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Least Common Multiple of 91716 and 91732 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91716 and 91732, than apply into the LCM equation.

GCF(91716,91732) = 4
LCM(91716,91732) = ( 91716 × 91732) / 4
LCM(91716,91732) = 8413292112 / 4
LCM(91716,91732) = 2103323028

Least Common Multiple (LCM) of 91716 and 91732 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91716 and 91732. First we will calculate the prime factors of 91716 and 91732.

Prime Factorization of 91716

Prime factors of 91716 are 2, 3, 7643. Prime factorization of 91716 in exponential form is:

91716 = 22 × 31 × 76431

Prime Factorization of 91732

Prime factors of 91732 are 2, 17, 19, 71. Prime factorization of 91732 in exponential form is:

91732 = 22 × 171 × 191 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 91716 and 91732.

LCM(91716,91732) = 22 × 31 × 76431 × 171 × 191 × 711
LCM(91716,91732) = 2103323028