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What is the Least Common Multiple of 1074 and 1087?

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 1074 and 1087 is 1167438.

LCM(1074,1087) = 1167438

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Least Common Multiple of 1074 and 1087 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1074 and 1087, than apply into the LCM equation.

GCF(1074,1087) = 1
LCM(1074,1087) = ( 1074 × 1087) / 1
LCM(1074,1087) = 1167438 / 1
LCM(1074,1087) = 1167438

Least Common Multiple (LCM) of 1074 and 1087 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1074 and 1087. First we will calculate the prime factors of 1074 and 1087.

Prime Factorization of 1074

Prime factors of 1074 are 2, 3, 179. Prime factorization of 1074 in exponential form is:

1074 = 21 × 31 × 1791

Prime Factorization of 1087

Prime factors of 1087 are 1087. Prime factorization of 1087 in exponential form is:

1087 = 10871

Now multiplying the highest exponent prime factors to calculate the LCM of 1074 and 1087.

LCM(1074,1087) = 21 × 31 × 1791 × 10871
LCM(1074,1087) = 1167438