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What is the Least Common Multiple of 47860 and 47874?

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 47860 and 47874 is 1145624820.

LCM(47860,47874) = 1145624820

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Least Common Multiple of 47860 and 47874 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47860 and 47874, than apply into the LCM equation.

GCF(47860,47874) = 2
LCM(47860,47874) = ( 47860 × 47874) / 2
LCM(47860,47874) = 2291249640 / 2
LCM(47860,47874) = 1145624820

Least Common Multiple (LCM) of 47860 and 47874 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47860 and 47874. First we will calculate the prime factors of 47860 and 47874.

Prime Factorization of 47860

Prime factors of 47860 are 2, 5, 2393. Prime factorization of 47860 in exponential form is:

47860 = 22 × 51 × 23931

Prime Factorization of 47874

Prime factors of 47874 are 2, 3, 79, 101. Prime factorization of 47874 in exponential form is:

47874 = 21 × 31 × 791 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 47860 and 47874.

LCM(47860,47874) = 22 × 51 × 23931 × 31 × 791 × 1011
LCM(47860,47874) = 1145624820