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What is the Least Common Multiple of 78828 and 78832?

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 78828 and 78832 is 1553542224.

LCM(78828,78832) = 1553542224

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Least Common Multiple of 78828 and 78832 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78828 and 78832, than apply into the LCM equation.

GCF(78828,78832) = 4
LCM(78828,78832) = ( 78828 × 78832) / 4
LCM(78828,78832) = 6214168896 / 4
LCM(78828,78832) = 1553542224

Least Common Multiple (LCM) of 78828 and 78832 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78828 and 78832. First we will calculate the prime factors of 78828 and 78832.

Prime Factorization of 78828

Prime factors of 78828 are 2, 3, 6569. Prime factorization of 78828 in exponential form is:

78828 = 22 × 31 × 65691

Prime Factorization of 78832

Prime factors of 78832 are 2, 13, 379. Prime factorization of 78832 in exponential form is:

78832 = 24 × 131 × 3791

Now multiplying the highest exponent prime factors to calculate the LCM of 78828 and 78832.

LCM(78828,78832) = 24 × 31 × 65691 × 131 × 3791
LCM(78828,78832) = 1553542224