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What is the Least Common Multiple of 91784 and 91798?

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 91784 and 91798 is 601827688.

LCM(91784,91798) = 601827688

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Least Common Multiple of 91784 and 91798 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91784 and 91798, than apply into the LCM equation.

GCF(91784,91798) = 14
LCM(91784,91798) = ( 91784 × 91798) / 14
LCM(91784,91798) = 8425587632 / 14
LCM(91784,91798) = 601827688

Least Common Multiple (LCM) of 91784 and 91798 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91784 and 91798. First we will calculate the prime factors of 91784 and 91798.

Prime Factorization of 91784

Prime factors of 91784 are 2, 7, 11, 149. Prime factorization of 91784 in exponential form is:

91784 = 23 × 71 × 111 × 1491

Prime Factorization of 91798

Prime factors of 91798 are 2, 7, 79, 83. Prime factorization of 91798 in exponential form is:

91798 = 21 × 71 × 791 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 91784 and 91798.

LCM(91784,91798) = 23 × 71 × 111 × 1491 × 791 × 831
LCM(91784,91798) = 601827688