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What is the Least Common Multiple of 4722 and 4742?

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 4722 and 4742 is 11195862.

LCM(4722,4742) = 11195862

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Least Common Multiple of 4722 and 4742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4722 and 4742, than apply into the LCM equation.

GCF(4722,4742) = 2
LCM(4722,4742) = ( 4722 × 4742) / 2
LCM(4722,4742) = 22391724 / 2
LCM(4722,4742) = 11195862

Least Common Multiple (LCM) of 4722 and 4742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4722 and 4742. First we will calculate the prime factors of 4722 and 4742.

Prime Factorization of 4722

Prime factors of 4722 are 2, 3, 787. Prime factorization of 4722 in exponential form is:

4722 = 21 × 31 × 7871

Prime Factorization of 4742

Prime factors of 4742 are 2, 2371. Prime factorization of 4742 in exponential form is:

4742 = 21 × 23711

Now multiplying the highest exponent prime factors to calculate the LCM of 4722 and 4742.

LCM(4722,4742) = 21 × 31 × 7871 × 23711
LCM(4722,4742) = 11195862