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What is the Least Common Multiple of 78821 and 78825?

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 78821 and 78825 is 6213065325.

LCM(78821,78825) = 6213065325

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Least Common Multiple of 78821 and 78825 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78821 and 78825, than apply into the LCM equation.

GCF(78821,78825) = 1
LCM(78821,78825) = ( 78821 × 78825) / 1
LCM(78821,78825) = 6213065325 / 1
LCM(78821,78825) = 6213065325

Least Common Multiple (LCM) of 78821 and 78825 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78821 and 78825. First we will calculate the prime factors of 78821 and 78825.

Prime Factorization of 78821

Prime factors of 78821 are 23, 149. Prime factorization of 78821 in exponential form is:

78821 = 232 × 1491

Prime Factorization of 78825

Prime factors of 78825 are 3, 5, 1051. Prime factorization of 78825 in exponential form is:

78825 = 31 × 52 × 10511

Now multiplying the highest exponent prime factors to calculate the LCM of 78821 and 78825.

LCM(78821,78825) = 232 × 1491 × 31 × 52 × 10511
LCM(78821,78825) = 6213065325