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What is the Least Common Multiple of 4772 and 4780?

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 4772 and 4780 is 5702540.

LCM(4772,4780) = 5702540

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Least Common Multiple of 4772 and 4780 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4772 and 4780, than apply into the LCM equation.

GCF(4772,4780) = 4
LCM(4772,4780) = ( 4772 × 4780) / 4
LCM(4772,4780) = 22810160 / 4
LCM(4772,4780) = 5702540

Least Common Multiple (LCM) of 4772 and 4780 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4772 and 4780. First we will calculate the prime factors of 4772 and 4780.

Prime Factorization of 4772

Prime factors of 4772 are 2, 1193. Prime factorization of 4772 in exponential form is:

4772 = 22 × 11931

Prime Factorization of 4780

Prime factors of 4780 are 2, 5, 239. Prime factorization of 4780 in exponential form is:

4780 = 22 × 51 × 2391

Now multiplying the highest exponent prime factors to calculate the LCM of 4772 and 4780.

LCM(4772,4780) = 22 × 11931 × 51 × 2391
LCM(4772,4780) = 5702540