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What is the Least Common Multiple of 43642 and 43653?

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 43642 and 43653 is 1905104226.

LCM(43642,43653) = 1905104226

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Least Common Multiple of 43642 and 43653 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43642 and 43653, than apply into the LCM equation.

GCF(43642,43653) = 1
LCM(43642,43653) = ( 43642 × 43653) / 1
LCM(43642,43653) = 1905104226 / 1
LCM(43642,43653) = 1905104226

Least Common Multiple (LCM) of 43642 and 43653 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43642 and 43653. First we will calculate the prime factors of 43642 and 43653.

Prime Factorization of 43642

Prime factors of 43642 are 2, 21821. Prime factorization of 43642 in exponential form is:

43642 = 21 × 218211

Prime Factorization of 43653

Prime factors of 43653 are 3, 14551. Prime factorization of 43653 in exponential form is:

43653 = 31 × 145511

Now multiplying the highest exponent prime factors to calculate the LCM of 43642 and 43653.

LCM(43642,43653) = 21 × 218211 × 31 × 145511
LCM(43642,43653) = 1905104226