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What is the Least Common Multiple of 6499 and 6509?

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 6499 and 6509 is 42301991.

LCM(6499,6509) = 42301991

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Least Common Multiple of 6499 and 6509 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6499 and 6509, than apply into the LCM equation.

GCF(6499,6509) = 1
LCM(6499,6509) = ( 6499 × 6509) / 1
LCM(6499,6509) = 42301991 / 1
LCM(6499,6509) = 42301991

Least Common Multiple (LCM) of 6499 and 6509 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6499 and 6509. First we will calculate the prime factors of 6499 and 6509.

Prime Factorization of 6499

Prime factors of 6499 are 67, 97. Prime factorization of 6499 in exponential form is:

6499 = 671 × 971

Prime Factorization of 6509

Prime factors of 6509 are 23, 283. Prime factorization of 6509 in exponential form is:

6509 = 231 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 6499 and 6509.

LCM(6499,6509) = 671 × 971 × 231 × 2831
LCM(6499,6509) = 42301991