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What is the Least Common Multiple of 1075 and 1095?

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 1075 and 1095 is 235425.

LCM(1075,1095) = 235425

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Least Common Multiple of 1075 and 1095 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1075 and 1095, than apply into the LCM equation.

GCF(1075,1095) = 5
LCM(1075,1095) = ( 1075 × 1095) / 5
LCM(1075,1095) = 1177125 / 5
LCM(1075,1095) = 235425

Least Common Multiple (LCM) of 1075 and 1095 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1075 and 1095. First we will calculate the prime factors of 1075 and 1095.

Prime Factorization of 1075

Prime factors of 1075 are 5, 43. Prime factorization of 1075 in exponential form is:

1075 = 52 × 431

Prime Factorization of 1095

Prime factors of 1095 are 3, 5, 73. Prime factorization of 1095 in exponential form is:

1095 = 31 × 51 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 1075 and 1095.

LCM(1075,1095) = 52 × 431 × 31 × 731
LCM(1075,1095) = 235425