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What is the Least Common Multiple of 4740 and 4748?

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 4740 and 4748 is 5626380.

LCM(4740,4748) = 5626380

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Least Common Multiple of 4740 and 4748 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4740 and 4748, than apply into the LCM equation.

GCF(4740,4748) = 4
LCM(4740,4748) = ( 4740 × 4748) / 4
LCM(4740,4748) = 22505520 / 4
LCM(4740,4748) = 5626380

Least Common Multiple (LCM) of 4740 and 4748 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4740 and 4748. First we will calculate the prime factors of 4740 and 4748.

Prime Factorization of 4740

Prime factors of 4740 are 2, 3, 5, 79. Prime factorization of 4740 in exponential form is:

4740 = 22 × 31 × 51 × 791

Prime Factorization of 4748

Prime factors of 4748 are 2, 1187. Prime factorization of 4748 in exponential form is:

4748 = 22 × 11871

Now multiplying the highest exponent prime factors to calculate the LCM of 4740 and 4748.

LCM(4740,4748) = 22 × 31 × 51 × 791 × 11871
LCM(4740,4748) = 5626380