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What is the Least Common Multiple of 69438 and 69443?

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 69438 and 69443 is 4821983034.

LCM(69438,69443) = 4821983034

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Least Common Multiple of 69438 and 69443 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69438 and 69443, than apply into the LCM equation.

GCF(69438,69443) = 1
LCM(69438,69443) = ( 69438 × 69443) / 1
LCM(69438,69443) = 4821983034 / 1
LCM(69438,69443) = 4821983034

Least Common Multiple (LCM) of 69438 and 69443 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69438 and 69443. First we will calculate the prime factors of 69438 and 69443.

Prime Factorization of 69438

Prime factors of 69438 are 2, 3, 71, 163. Prime factorization of 69438 in exponential form is:

69438 = 21 × 31 × 711 × 1631

Prime Factorization of 69443

Prime factors of 69443 are 11, 59, 107. Prime factorization of 69443 in exponential form is:

69443 = 111 × 591 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 69438 and 69443.

LCM(69438,69443) = 21 × 31 × 711 × 1631 × 111 × 591 × 1071
LCM(69438,69443) = 4821983034