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What is the Least Common Multiple of 1057 and 1076?

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 1057 and 1076 is 1137332.

LCM(1057,1076) = 1137332

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Least Common Multiple of 1057 and 1076 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1057 and 1076, than apply into the LCM equation.

GCF(1057,1076) = 1
LCM(1057,1076) = ( 1057 × 1076) / 1
LCM(1057,1076) = 1137332 / 1
LCM(1057,1076) = 1137332

Least Common Multiple (LCM) of 1057 and 1076 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1057 and 1076. First we will calculate the prime factors of 1057 and 1076.

Prime Factorization of 1057

Prime factors of 1057 are 7, 151. Prime factorization of 1057 in exponential form is:

1057 = 71 × 1511

Prime Factorization of 1076

Prime factors of 1076 are 2, 269. Prime factorization of 1076 in exponential form is:

1076 = 22 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 1057 and 1076.

LCM(1057,1076) = 71 × 1511 × 22 × 2691
LCM(1057,1076) = 1137332