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What is the Least Common Multiple of 1750 and 1764?

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 1750 and 1764 is 220500.

LCM(1750,1764) = 220500

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Least Common Multiple of 1750 and 1764 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1750 and 1764, than apply into the LCM equation.

GCF(1750,1764) = 14
LCM(1750,1764) = ( 1750 × 1764) / 14
LCM(1750,1764) = 3087000 / 14
LCM(1750,1764) = 220500

Least Common Multiple (LCM) of 1750 and 1764 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1750 and 1764. First we will calculate the prime factors of 1750 and 1764.

Prime Factorization of 1750

Prime factors of 1750 are 2, 5, 7. Prime factorization of 1750 in exponential form is:

1750 = 21 × 53 × 71

Prime Factorization of 1764

Prime factors of 1764 are 2, 3, 7. Prime factorization of 1764 in exponential form is:

1764 = 22 × 32 × 72

Now multiplying the highest exponent prime factors to calculate the LCM of 1750 and 1764.

LCM(1750,1764) = 22 × 53 × 72 × 32
LCM(1750,1764) = 220500