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What is the Least Common Multiple of 1758 and 1767?

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 1758 and 1767 is 1035462.

LCM(1758,1767) = 1035462

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Least Common Multiple of 1758 and 1767 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1758 and 1767, than apply into the LCM equation.

GCF(1758,1767) = 3
LCM(1758,1767) = ( 1758 × 1767) / 3
LCM(1758,1767) = 3106386 / 3
LCM(1758,1767) = 1035462

Least Common Multiple (LCM) of 1758 and 1767 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1758 and 1767. First we will calculate the prime factors of 1758 and 1767.

Prime Factorization of 1758

Prime factors of 1758 are 2, 3, 293. Prime factorization of 1758 in exponential form is:

1758 = 21 × 31 × 2931

Prime Factorization of 1767

Prime factors of 1767 are 3, 19, 31. Prime factorization of 1767 in exponential form is:

1767 = 31 × 191 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 1758 and 1767.

LCM(1758,1767) = 21 × 31 × 2931 × 191 × 311
LCM(1758,1767) = 1035462