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What is the Least Common Multiple of 2750 and 2761?

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 2750 and 2761 is 690250.

LCM(2750,2761) = 690250

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Least Common Multiple of 2750 and 2761 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2750 and 2761, than apply into the LCM equation.

GCF(2750,2761) = 11
LCM(2750,2761) = ( 2750 × 2761) / 11
LCM(2750,2761) = 7592750 / 11
LCM(2750,2761) = 690250

Least Common Multiple (LCM) of 2750 and 2761 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2750 and 2761. First we will calculate the prime factors of 2750 and 2761.

Prime Factorization of 2750

Prime factors of 2750 are 2, 5, 11. Prime factorization of 2750 in exponential form is:

2750 = 21 × 53 × 111

Prime Factorization of 2761

Prime factors of 2761 are 11, 251. Prime factorization of 2761 in exponential form is:

2761 = 111 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 2750 and 2761.

LCM(2750,2761) = 21 × 53 × 111 × 2511
LCM(2750,2761) = 690250