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What is the Least Common Multiple of 78548 and 78554?

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 78548 and 78554 is 3085129796.

LCM(78548,78554) = 3085129796

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Least Common Multiple of 78548 and 78554 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78548 and 78554, than apply into the LCM equation.

GCF(78548,78554) = 2
LCM(78548,78554) = ( 78548 × 78554) / 2
LCM(78548,78554) = 6170259592 / 2
LCM(78548,78554) = 3085129796

Least Common Multiple (LCM) of 78548 and 78554 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78548 and 78554. First we will calculate the prime factors of 78548 and 78554.

Prime Factorization of 78548

Prime factors of 78548 are 2, 73, 269. Prime factorization of 78548 in exponential form is:

78548 = 22 × 731 × 2691

Prime Factorization of 78554

Prime factors of 78554 are 2, 7, 31, 181. Prime factorization of 78554 in exponential form is:

78554 = 21 × 71 × 311 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 78548 and 78554.

LCM(78548,78554) = 22 × 731 × 2691 × 71 × 311 × 1811
LCM(78548,78554) = 3085129796