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What is the Least Common Multiple of 42731 and 42741?

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 42741 is 1826365671.

LCM(42731,42741) = 1826365671

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Least Common Multiple of 42731 and 42741 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 42741, than apply into the LCM equation.

GCF(42731,42741) = 1
LCM(42731,42741) = ( 42731 × 42741) / 1
LCM(42731,42741) = 1826365671 / 1
LCM(42731,42741) = 1826365671

Least Common Multiple (LCM) of 42731 and 42741 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42731 and 42741. First we will calculate the prime factors of 42731 and 42741.

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 42741

Prime factors of 42741 are 3, 1583. Prime factorization of 42741 in exponential form is:

42741 = 33 × 15831

Now multiplying the highest exponent prime factors to calculate the LCM of 42731 and 42741.

LCM(42731,42741) = 131 × 191 × 1731 × 33 × 15831
LCM(42731,42741) = 1826365671