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What is the Least Common Multiple of 4724 and 4740?

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 4724 and 4740 is 5597940.

LCM(4724,4740) = 5597940

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Least Common Multiple of 4724 and 4740 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4724 and 4740, than apply into the LCM equation.

GCF(4724,4740) = 4
LCM(4724,4740) = ( 4724 × 4740) / 4
LCM(4724,4740) = 22391760 / 4
LCM(4724,4740) = 5597940

Least Common Multiple (LCM) of 4724 and 4740 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4724 and 4740. First we will calculate the prime factors of 4724 and 4740.

Prime Factorization of 4724

Prime factors of 4724 are 2, 1181. Prime factorization of 4724 in exponential form is:

4724 = 22 × 11811

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

Now multiplying the highest exponent prime factors to calculate the LCM of 4724 and 4740.

LCM(4724,4740) = 22 × 11811 × 31 × 51 × 791
LCM(4724,4740) = 5597940