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What is the Least Common Multiple of 753 and 762?

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 753 and 762 is 191262.

LCM(753,762) = 191262

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Least Common Multiple of 753 and 762 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 753 and 762, than apply into the LCM equation.

GCF(753,762) = 3
LCM(753,762) = ( 753 × 762) / 3
LCM(753,762) = 573786 / 3
LCM(753,762) = 191262

Least Common Multiple (LCM) of 753 and 762 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 753 and 762. First we will calculate the prime factors of 753 and 762.

Prime Factorization of 753

Prime factors of 753 are 3, 251. Prime factorization of 753 in exponential form is:

753 = 31 × 2511

Prime Factorization of 762

Prime factors of 762 are 2, 3, 127. Prime factorization of 762 in exponential form is:

762 = 21 × 31 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 753 and 762.

LCM(753,762) = 31 × 2511 × 21 × 1271
LCM(753,762) = 191262