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What is the Least Common Multiple of 91608 and 91616?

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 91608 and 91616 is 1049094816.

LCM(91608,91616) = 1049094816

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Least Common Multiple of 91608 and 91616 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91608 and 91616, than apply into the LCM equation.

GCF(91608,91616) = 8
LCM(91608,91616) = ( 91608 × 91616) / 8
LCM(91608,91616) = 8392758528 / 8
LCM(91608,91616) = 1049094816

Least Common Multiple (LCM) of 91608 and 91616 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91608 and 91616. First we will calculate the prime factors of 91608 and 91616.

Prime Factorization of 91608

Prime factors of 91608 are 2, 3, 11, 347. Prime factorization of 91608 in exponential form is:

91608 = 23 × 31 × 111 × 3471

Prime Factorization of 91616

Prime factors of 91616 are 2, 7, 409. Prime factorization of 91616 in exponential form is:

91616 = 25 × 71 × 4091

Now multiplying the highest exponent prime factors to calculate the LCM of 91608 and 91616.

LCM(91608,91616) = 25 × 31 × 111 × 3471 × 71 × 4091
LCM(91608,91616) = 1049094816