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What is the Least Common Multiple of 47902 and 47908?

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 47902 and 47908 is 1147444508.

LCM(47902,47908) = 1147444508

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Least Common Multiple of 47902 and 47908 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47902 and 47908, than apply into the LCM equation.

GCF(47902,47908) = 2
LCM(47902,47908) = ( 47902 × 47908) / 2
LCM(47902,47908) = 2294889016 / 2
LCM(47902,47908) = 1147444508

Least Common Multiple (LCM) of 47902 and 47908 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47902 and 47908. First we will calculate the prime factors of 47902 and 47908.

Prime Factorization of 47902

Prime factors of 47902 are 2, 43, 557. Prime factorization of 47902 in exponential form is:

47902 = 21 × 431 × 5571

Prime Factorization of 47908

Prime factors of 47908 are 2, 7, 29, 59. Prime factorization of 47908 in exponential form is:

47908 = 22 × 71 × 291 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 47902 and 47908.

LCM(47902,47908) = 22 × 431 × 5571 × 71 × 291 × 591
LCM(47902,47908) = 1147444508