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What is the Least Common Multiple of 78727 and 78742?

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 78727 and 78742 is 6199121434.

LCM(78727,78742) = 6199121434

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Least Common Multiple of 78727 and 78742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78727 and 78742, than apply into the LCM equation.

GCF(78727,78742) = 1
LCM(78727,78742) = ( 78727 × 78742) / 1
LCM(78727,78742) = 6199121434 / 1
LCM(78727,78742) = 6199121434

Least Common Multiple (LCM) of 78727 and 78742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78727 and 78742. First we will calculate the prime factors of 78727 and 78742.

Prime Factorization of 78727

Prime factors of 78727 are 11, 17, 421. Prime factorization of 78727 in exponential form is:

78727 = 111 × 171 × 4211

Prime Factorization of 78742

Prime factors of 78742 are 2, 39371. Prime factorization of 78742 in exponential form is:

78742 = 21 × 393711

Now multiplying the highest exponent prime factors to calculate the LCM of 78727 and 78742.

LCM(78727,78742) = 111 × 171 × 4211 × 21 × 393711
LCM(78727,78742) = 6199121434