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What is the Least Common Multiple of 78634 and 78648?

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 78634 and 78648 is 3092203416.

LCM(78634,78648) = 3092203416

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Least Common Multiple of 78634 and 78648 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78634 and 78648, than apply into the LCM equation.

GCF(78634,78648) = 2
LCM(78634,78648) = ( 78634 × 78648) / 2
LCM(78634,78648) = 6184406832 / 2
LCM(78634,78648) = 3092203416

Least Common Multiple (LCM) of 78634 and 78648 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78634 and 78648. First we will calculate the prime factors of 78634 and 78648.

Prime Factorization of 78634

Prime factors of 78634 are 2, 39317. Prime factorization of 78634 in exponential form is:

78634 = 21 × 393171

Prime Factorization of 78648

Prime factors of 78648 are 2, 3, 29, 113. Prime factorization of 78648 in exponential form is:

78648 = 23 × 31 × 291 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 78634 and 78648.

LCM(78634,78648) = 23 × 393171 × 31 × 291 × 1131
LCM(78634,78648) = 3092203416