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What is the Least Common Multiple of 78544 and 78548?

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 78544 and 78548 is 1542368528.

LCM(78544,78548) = 1542368528

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Least Common Multiple of 78544 and 78548 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78544 and 78548, than apply into the LCM equation.

GCF(78544,78548) = 4
LCM(78544,78548) = ( 78544 × 78548) / 4
LCM(78544,78548) = 6169474112 / 4
LCM(78544,78548) = 1542368528

Least Common Multiple (LCM) of 78544 and 78548 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78544 and 78548. First we will calculate the prime factors of 78544 and 78548.

Prime Factorization of 78544

Prime factors of 78544 are 2, 4909. Prime factorization of 78544 in exponential form is:

78544 = 24 × 49091

Prime Factorization of 78548

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

78548 = 22 × 731 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 78544 and 78548.

LCM(78544,78548) = 24 × 49091 × 731 × 2691
LCM(78544,78548) = 1542368528