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What is the Least Common Multiple of 47747 and 47761?

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 47747 and 47761 is 325777781.

LCM(47747,47761) = 325777781

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Least Common Multiple of 47747 and 47761 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47747 and 47761, than apply into the LCM equation.

GCF(47747,47761) = 7
LCM(47747,47761) = ( 47747 × 47761) / 7
LCM(47747,47761) = 2280444467 / 7
LCM(47747,47761) = 325777781

Least Common Multiple (LCM) of 47747 and 47761 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47747 and 47761. First we will calculate the prime factors of 47747 and 47761.

Prime Factorization of 47747

Prime factors of 47747 are 7, 19, 359. Prime factorization of 47747 in exponential form is:

47747 = 71 × 191 × 3591

Prime Factorization of 47761

Prime factors of 47761 are 7, 6823. Prime factorization of 47761 in exponential form is:

47761 = 71 × 68231

Now multiplying the highest exponent prime factors to calculate the LCM of 47747 and 47761.

LCM(47747,47761) = 71 × 191 × 3591 × 68231
LCM(47747,47761) = 325777781