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What is the Least Common Multiple of 1145 and 1151?

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 1145 and 1151 is 1317895.

LCM(1145,1151) = 1317895

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Least Common Multiple of 1145 and 1151 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1145 and 1151, than apply into the LCM equation.

GCF(1145,1151) = 1
LCM(1145,1151) = ( 1145 × 1151) / 1
LCM(1145,1151) = 1317895 / 1
LCM(1145,1151) = 1317895

Least Common Multiple (LCM) of 1145 and 1151 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1145 and 1151. First we will calculate the prime factors of 1145 and 1151.

Prime Factorization of 1145

Prime factors of 1145 are 5, 229. Prime factorization of 1145 in exponential form is:

1145 = 51 × 2291

Prime Factorization of 1151

Prime factors of 1151 are 1151. Prime factorization of 1151 in exponential form is:

1151 = 11511

Now multiplying the highest exponent prime factors to calculate the LCM of 1145 and 1151.

LCM(1145,1151) = 51 × 2291 × 11511
LCM(1145,1151) = 1317895