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What is the Least Common Multiple of 42724 and 42743?

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 42724 and 42743 is 1826151932.

LCM(42724,42743) = 1826151932

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Least Common Multiple of 42724 and 42743 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42724 and 42743, than apply into the LCM equation.

GCF(42724,42743) = 1
LCM(42724,42743) = ( 42724 × 42743) / 1
LCM(42724,42743) = 1826151932 / 1
LCM(42724,42743) = 1826151932

Least Common Multiple (LCM) of 42724 and 42743 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42724 and 42743. First we will calculate the prime factors of 42724 and 42743.

Prime Factorization of 42724

Prime factors of 42724 are 2, 11, 971. Prime factorization of 42724 in exponential form is:

42724 = 22 × 111 × 9711

Prime Factorization of 42743

Prime factors of 42743 are 42743. Prime factorization of 42743 in exponential form is:

42743 = 427431

Now multiplying the highest exponent prime factors to calculate the LCM of 42724 and 42743.

LCM(42724,42743) = 22 × 111 × 9711 × 427431
LCM(42724,42743) = 1826151932