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What is the Least Common Multiple of 1514 and 1521?

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 1514 and 1521 is 2302794.

LCM(1514,1521) = 2302794

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Least Common Multiple of 1514 and 1521 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1514 and 1521, than apply into the LCM equation.

GCF(1514,1521) = 1
LCM(1514,1521) = ( 1514 × 1521) / 1
LCM(1514,1521) = 2302794 / 1
LCM(1514,1521) = 2302794

Least Common Multiple (LCM) of 1514 and 1521 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1514 and 1521. First we will calculate the prime factors of 1514 and 1521.

Prime Factorization of 1514

Prime factors of 1514 are 2, 757. Prime factorization of 1514 in exponential form is:

1514 = 21 × 7571

Prime Factorization of 1521

Prime factors of 1521 are 3, 13. Prime factorization of 1521 in exponential form is:

1521 = 32 × 132

Now multiplying the highest exponent prime factors to calculate the LCM of 1514 and 1521.

LCM(1514,1521) = 21 × 7571 × 32 × 132
LCM(1514,1521) = 2302794