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What is the Least Common Multiple of 42731 and 42736?

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 42731 and 42736 is 1826152016.

LCM(42731,42736) = 1826152016

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Least Common Multiple of 42731 and 42736 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42731 and 42736, than apply into the LCM equation.

GCF(42731,42736) = 1
LCM(42731,42736) = ( 42731 × 42736) / 1
LCM(42731,42736) = 1826152016 / 1
LCM(42731,42736) = 1826152016

Least Common Multiple (LCM) of 42731 and 42736 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42731 and 42736. First we will calculate the prime factors of 42731 and 42736.

Prime Factorization of 42731

Prime factors of 42731 are 13, 19, 173. Prime factorization of 42731 in exponential form is:

42731 = 131 × 191 × 1731

Prime Factorization of 42736

Prime factors of 42736 are 2, 2671. Prime factorization of 42736 in exponential form is:

42736 = 24 × 26711

Now multiplying the highest exponent prime factors to calculate the LCM of 42731 and 42736.

LCM(42731,42736) = 131 × 191 × 1731 × 24 × 26711
LCM(42731,42736) = 1826152016