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What is the Least Common Multiple of 43442 and 43458?

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 43442 and 43458 is 943951218.

LCM(43442,43458) = 943951218

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Least Common Multiple of 43442 and 43458 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43442 and 43458, than apply into the LCM equation.

GCF(43442,43458) = 2
LCM(43442,43458) = ( 43442 × 43458) / 2
LCM(43442,43458) = 1887902436 / 2
LCM(43442,43458) = 943951218

Least Common Multiple (LCM) of 43442 and 43458 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43442 and 43458. First we will calculate the prime factors of 43442 and 43458.

Prime Factorization of 43442

Prime factors of 43442 are 2, 7, 29, 107. Prime factorization of 43442 in exponential form is:

43442 = 21 × 71 × 291 × 1071

Prime Factorization of 43458

Prime factors of 43458 are 2, 3, 7243. Prime factorization of 43458 in exponential form is:

43458 = 21 × 31 × 72431

Now multiplying the highest exponent prime factors to calculate the LCM of 43442 and 43458.

LCM(43442,43458) = 21 × 71 × 291 × 1071 × 31 × 72431
LCM(43442,43458) = 943951218