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What is the Least Common Multiple of 1076 and 1081?

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 1076 and 1081 is 1163156.

LCM(1076,1081) = 1163156

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Least Common Multiple of 1076 and 1081 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1076 and 1081, than apply into the LCM equation.

GCF(1076,1081) = 1
LCM(1076,1081) = ( 1076 × 1081) / 1
LCM(1076,1081) = 1163156 / 1
LCM(1076,1081) = 1163156

Least Common Multiple (LCM) of 1076 and 1081 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1076 and 1081. First we will calculate the prime factors of 1076 and 1081.

Prime Factorization of 1076

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

1076 = 22 × 2691

Prime Factorization of 1081

Prime factors of 1081 are 23, 47. Prime factorization of 1081 in exponential form is:

1081 = 231 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 1076 and 1081.

LCM(1076,1081) = 22 × 2691 × 231 × 471
LCM(1076,1081) = 1163156