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What is the Least Common Multiple of 51821 and 51830?

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 51821 and 51830 is 2685882430.

LCM(51821,51830) = 2685882430

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Least Common Multiple of 51821 and 51830 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51821 and 51830, than apply into the LCM equation.

GCF(51821,51830) = 1
LCM(51821,51830) = ( 51821 × 51830) / 1
LCM(51821,51830) = 2685882430 / 1
LCM(51821,51830) = 2685882430

Least Common Multiple (LCM) of 51821 and 51830 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51821 and 51830. First we will calculate the prime factors of 51821 and 51830.

Prime Factorization of 51821

Prime factors of 51821 are 7, 11, 673. Prime factorization of 51821 in exponential form is:

51821 = 71 × 111 × 6731

Prime Factorization of 51830

Prime factors of 51830 are 2, 5, 71, 73. Prime factorization of 51830 in exponential form is:

51830 = 21 × 51 × 711 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 51821 and 51830.

LCM(51821,51830) = 71 × 111 × 6731 × 21 × 51 × 711 × 731
LCM(51821,51830) = 2685882430