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What is the Least Common Multiple of 40749 and 40769?

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 40749 and 40769 is 1661295981.

LCM(40749,40769) = 1661295981

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Least Common Multiple of 40749 and 40769 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40749 and 40769, than apply into the LCM equation.

GCF(40749,40769) = 1
LCM(40749,40769) = ( 40749 × 40769) / 1
LCM(40749,40769) = 1661295981 / 1
LCM(40749,40769) = 1661295981

Least Common Multiple (LCM) of 40749 and 40769 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40749 and 40769. First we will calculate the prime factors of 40749 and 40769.

Prime Factorization of 40749

Prime factors of 40749 are 3, 17, 47. Prime factorization of 40749 in exponential form is:

40749 = 31 × 172 × 471

Prime Factorization of 40769

Prime factors of 40769 are 59, 691. Prime factorization of 40769 in exponential form is:

40769 = 591 × 6911

Now multiplying the highest exponent prime factors to calculate the LCM of 40749 and 40769.

LCM(40749,40769) = 31 × 172 × 471 × 591 × 6911
LCM(40749,40769) = 1661295981