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What is the Least Common Multiple of 91392 and 91402?

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 91392 and 91402 is 4176705792.

LCM(91392,91402) = 4176705792

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Least Common Multiple of 91392 and 91402 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91392 and 91402, than apply into the LCM equation.

GCF(91392,91402) = 2
LCM(91392,91402) = ( 91392 × 91402) / 2
LCM(91392,91402) = 8353411584 / 2
LCM(91392,91402) = 4176705792

Least Common Multiple (LCM) of 91392 and 91402 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91392 and 91402. First we will calculate the prime factors of 91392 and 91402.

Prime Factorization of 91392

Prime factors of 91392 are 2, 3, 7, 17. Prime factorization of 91392 in exponential form is:

91392 = 28 × 31 × 71 × 171

Prime Factorization of 91402

Prime factors of 91402 are 2, 23, 1987. Prime factorization of 91402 in exponential form is:

91402 = 21 × 231 × 19871

Now multiplying the highest exponent prime factors to calculate the LCM of 91392 and 91402.

LCM(91392,91402) = 28 × 31 × 71 × 171 × 231 × 19871
LCM(91392,91402) = 4176705792