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What is the Least Common Multiple of 7427 and 7442?

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 7427 and 7442 is 55271734.

LCM(7427,7442) = 55271734

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Least Common Multiple of 7427 and 7442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7427 and 7442, than apply into the LCM equation.

GCF(7427,7442) = 1
LCM(7427,7442) = ( 7427 × 7442) / 1
LCM(7427,7442) = 55271734 / 1
LCM(7427,7442) = 55271734

Least Common Multiple (LCM) of 7427 and 7442 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7427 and 7442. First we will calculate the prime factors of 7427 and 7442.

Prime Factorization of 7427

Prime factors of 7427 are 7, 1061. Prime factorization of 7427 in exponential form is:

7427 = 71 × 10611

Prime Factorization of 7442

Prime factors of 7442 are 2, 61. Prime factorization of 7442 in exponential form is:

7442 = 21 × 612

Now multiplying the highest exponent prime factors to calculate the LCM of 7427 and 7442.

LCM(7427,7442) = 71 × 10611 × 21 × 612
LCM(7427,7442) = 55271734