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What is the Least Common Multiple of 1513 and 1519?

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 1513 and 1519 is 2298247.

LCM(1513,1519) = 2298247

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Least Common Multiple of 1513 and 1519 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1513 and 1519, than apply into the LCM equation.

GCF(1513,1519) = 1
LCM(1513,1519) = ( 1513 × 1519) / 1
LCM(1513,1519) = 2298247 / 1
LCM(1513,1519) = 2298247

Least Common Multiple (LCM) of 1513 and 1519 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1513 and 1519. First we will calculate the prime factors of 1513 and 1519.

Prime Factorization of 1513

Prime factors of 1513 are 17, 89. Prime factorization of 1513 in exponential form is:

1513 = 171 × 891

Prime Factorization of 1519

Prime factors of 1519 are 7, 31. Prime factorization of 1519 in exponential form is:

1519 = 72 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 1513 and 1519.

LCM(1513,1519) = 171 × 891 × 72 × 311
LCM(1513,1519) = 2298247