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What is the Least Common Multiple of 42572 and 42591?

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 42572 and 42591 is 1813184052.

LCM(42572,42591) = 1813184052

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Least Common Multiple of 42572 and 42591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42572 and 42591, than apply into the LCM equation.

GCF(42572,42591) = 1
LCM(42572,42591) = ( 42572 × 42591) / 1
LCM(42572,42591) = 1813184052 / 1
LCM(42572,42591) = 1813184052

Least Common Multiple (LCM) of 42572 and 42591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42572 and 42591. First we will calculate the prime factors of 42572 and 42591.

Prime Factorization of 42572

Prime factors of 42572 are 2, 29, 367. Prime factorization of 42572 in exponential form is:

42572 = 22 × 291 × 3671

Prime Factorization of 42591

Prime factors of 42591 are 3, 14197. Prime factorization of 42591 in exponential form is:

42591 = 31 × 141971

Now multiplying the highest exponent prime factors to calculate the LCM of 42572 and 42591.

LCM(42572,42591) = 22 × 291 × 3671 × 31 × 141971
LCM(42572,42591) = 1813184052