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What is the Least Common Multiple of 51814 and 51820?

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 51814 and 51820 is 1342500740.

LCM(51814,51820) = 1342500740

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Least Common Multiple of 51814 and 51820 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51814 and 51820, than apply into the LCM equation.

GCF(51814,51820) = 2
LCM(51814,51820) = ( 51814 × 51820) / 2
LCM(51814,51820) = 2685001480 / 2
LCM(51814,51820) = 1342500740

Least Common Multiple (LCM) of 51814 and 51820 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51814 and 51820. First we will calculate the prime factors of 51814 and 51820.

Prime Factorization of 51814

Prime factors of 51814 are 2, 7, 3701. Prime factorization of 51814 in exponential form is:

51814 = 21 × 71 × 37011

Prime Factorization of 51820

Prime factors of 51820 are 2, 5, 2591. Prime factorization of 51820 in exponential form is:

51820 = 22 × 51 × 25911

Now multiplying the highest exponent prime factors to calculate the LCM of 51814 and 51820.

LCM(51814,51820) = 22 × 71 × 37011 × 51 × 25911
LCM(51814,51820) = 1342500740