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What is the Least Common Multiple of 1066 and 1078?

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 1066 and 1078 is 574574.

LCM(1066,1078) = 574574

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Least Common Multiple of 1066 and 1078 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1066 and 1078, than apply into the LCM equation.

GCF(1066,1078) = 2
LCM(1066,1078) = ( 1066 × 1078) / 2
LCM(1066,1078) = 1149148 / 2
LCM(1066,1078) = 574574

Least Common Multiple (LCM) of 1066 and 1078 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1066 and 1078. First we will calculate the prime factors of 1066 and 1078.

Prime Factorization of 1066

Prime factors of 1066 are 2, 13, 41. Prime factorization of 1066 in exponential form is:

1066 = 21 × 131 × 411

Prime Factorization of 1078

Prime factors of 1078 are 2, 7, 11. Prime factorization of 1078 in exponential form is:

1078 = 21 × 72 × 111

Now multiplying the highest exponent prime factors to calculate the LCM of 1066 and 1078.

LCM(1066,1078) = 21 × 131 × 411 × 72 × 111
LCM(1066,1078) = 574574