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What is the Least Common Multiple of 65800 and 65813?

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 65800 and 65813 is 4330495400.

LCM(65800,65813) = 4330495400

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Least Common Multiple of 65800 and 65813 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65800 and 65813, than apply into the LCM equation.

GCF(65800,65813) = 1
LCM(65800,65813) = ( 65800 × 65813) / 1
LCM(65800,65813) = 4330495400 / 1
LCM(65800,65813) = 4330495400

Least Common Multiple (LCM) of 65800 and 65813 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65800 and 65813. First we will calculate the prime factors of 65800 and 65813.

Prime Factorization of 65800

Prime factors of 65800 are 2, 5, 7, 47. Prime factorization of 65800 in exponential form is:

65800 = 23 × 52 × 71 × 471

Prime Factorization of 65813

Prime factors of 65813 are 11, 31, 193. Prime factorization of 65813 in exponential form is:

65813 = 111 × 311 × 1931

Now multiplying the highest exponent prime factors to calculate the LCM of 65800 and 65813.

LCM(65800,65813) = 23 × 52 × 71 × 471 × 111 × 311 × 1931
LCM(65800,65813) = 4330495400