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What is the Least Common Multiple of 41856 and 41860?

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 41856 and 41860 is 438023040.

LCM(41856,41860) = 438023040

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Least Common Multiple of 41856 and 41860 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 41856 and 41860, than apply into the LCM equation.

GCF(41856,41860) = 4
LCM(41856,41860) = ( 41856 × 41860) / 4
LCM(41856,41860) = 1752092160 / 4
LCM(41856,41860) = 438023040

Least Common Multiple (LCM) of 41856 and 41860 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 41856 and 41860. First we will calculate the prime factors of 41856 and 41860.

Prime Factorization of 41856

Prime factors of 41856 are 2, 3, 109. Prime factorization of 41856 in exponential form is:

41856 = 27 × 31 × 1091

Prime Factorization of 41860

Prime factors of 41860 are 2, 5, 7, 13, 23. Prime factorization of 41860 in exponential form is:

41860 = 22 × 51 × 71 × 131 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 41856 and 41860.

LCM(41856,41860) = 27 × 31 × 1091 × 51 × 71 × 131 × 231
LCM(41856,41860) = 438023040