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What is the Least Common Multiple of 1650 and 1669?

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 1650 and 1669 is 2753850.

LCM(1650,1669) = 2753850

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Least Common Multiple of 1650 and 1669 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1650 and 1669, than apply into the LCM equation.

GCF(1650,1669) = 1
LCM(1650,1669) = ( 1650 × 1669) / 1
LCM(1650,1669) = 2753850 / 1
LCM(1650,1669) = 2753850

Least Common Multiple (LCM) of 1650 and 1669 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1650 and 1669. First we will calculate the prime factors of 1650 and 1669.

Prime Factorization of 1650

Prime factors of 1650 are 2, 3, 5, 11. Prime factorization of 1650 in exponential form is:

1650 = 21 × 31 × 52 × 111

Prime Factorization of 1669

Prime factors of 1669 are 1669. Prime factorization of 1669 in exponential form is:

1669 = 16691

Now multiplying the highest exponent prime factors to calculate the LCM of 1650 and 1669.

LCM(1650,1669) = 21 × 31 × 52 × 111 × 16691
LCM(1650,1669) = 2753850