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What is the Least Common Multiple of 20743 and 20758?

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 20743 and 20758 is 430583194.

LCM(20743,20758) = 430583194

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Least Common Multiple of 20743 and 20758 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20743 and 20758, than apply into the LCM equation.

GCF(20743,20758) = 1
LCM(20743,20758) = ( 20743 × 20758) / 1
LCM(20743,20758) = 430583194 / 1
LCM(20743,20758) = 430583194

Least Common Multiple (LCM) of 20743 and 20758 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20743 and 20758. First we will calculate the prime factors of 20743 and 20758.

Prime Factorization of 20743

Prime factors of 20743 are 20743. Prime factorization of 20743 in exponential form is:

20743 = 207431

Prime Factorization of 20758

Prime factors of 20758 are 2, 97, 107. Prime factorization of 20758 in exponential form is:

20758 = 21 × 971 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 20743 and 20758.

LCM(20743,20758) = 207431 × 21 × 971 × 1071
LCM(20743,20758) = 430583194