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What is the Least Common Multiple of 70743 and 70749?

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 70743 and 70749 is 1668332169.

LCM(70743,70749) = 1668332169

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Least Common Multiple of 70743 and 70749 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70743 and 70749, than apply into the LCM equation.

GCF(70743,70749) = 3
LCM(70743,70749) = ( 70743 × 70749) / 3
LCM(70743,70749) = 5004996507 / 3
LCM(70743,70749) = 1668332169

Least Common Multiple (LCM) of 70743 and 70749 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70743 and 70749. First we will calculate the prime factors of 70743 and 70749.

Prime Factorization of 70743

Prime factors of 70743 are 3, 23581. Prime factorization of 70743 in exponential form is:

70743 = 31 × 235811

Prime Factorization of 70749

Prime factors of 70749 are 3, 7, 1123. Prime factorization of 70749 in exponential form is:

70749 = 32 × 71 × 11231

Now multiplying the highest exponent prime factors to calculate the LCM of 70743 and 70749.

LCM(70743,70749) = 32 × 235811 × 71 × 11231
LCM(70743,70749) = 1668332169