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What is the Least Common Multiple of 1510 and 1518?

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 1510 and 1518 is 1146090.

LCM(1510,1518) = 1146090

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Least Common Multiple of 1510 and 1518 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1510 and 1518, than apply into the LCM equation.

GCF(1510,1518) = 2
LCM(1510,1518) = ( 1510 × 1518) / 2
LCM(1510,1518) = 2292180 / 2
LCM(1510,1518) = 1146090

Least Common Multiple (LCM) of 1510 and 1518 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1510 and 1518. First we will calculate the prime factors of 1510 and 1518.

Prime Factorization of 1510

Prime factors of 1510 are 2, 5, 151. Prime factorization of 1510 in exponential form is:

1510 = 21 × 51 × 1511

Prime Factorization of 1518

Prime factors of 1518 are 2, 3, 11, 23. Prime factorization of 1518 in exponential form is:

1518 = 21 × 31 × 111 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 1510 and 1518.

LCM(1510,1518) = 21 × 51 × 1511 × 31 × 111 × 231
LCM(1510,1518) = 1146090