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What is the Least Common Multiple of 91634 and 91642?

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 91634 and 91642 is 4198761514.

LCM(91634,91642) = 4198761514

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Least Common Multiple of 91634 and 91642 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91634 and 91642, than apply into the LCM equation.

GCF(91634,91642) = 2
LCM(91634,91642) = ( 91634 × 91642) / 2
LCM(91634,91642) = 8397523028 / 2
LCM(91634,91642) = 4198761514

Least Common Multiple (LCM) of 91634 and 91642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91634 and 91642. First we will calculate the prime factors of 91634 and 91642.

Prime Factorization of 91634

Prime factors of 91634 are 2, 45817. Prime factorization of 91634 in exponential form is:

91634 = 21 × 458171

Prime Factorization of 91642

Prime factors of 91642 are 2, 45821. Prime factorization of 91642 in exponential form is:

91642 = 21 × 458211

Now multiplying the highest exponent prime factors to calculate the LCM of 91634 and 91642.

LCM(91634,91642) = 21 × 458171 × 458211
LCM(91634,91642) = 4198761514