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What is the Least Common Multiple of 5402 and 5422?

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 5402 and 5422 is 14644822.

LCM(5402,5422) = 14644822

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Least Common Multiple of 5402 and 5422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5402 and 5422, than apply into the LCM equation.

GCF(5402,5422) = 2
LCM(5402,5422) = ( 5402 × 5422) / 2
LCM(5402,5422) = 29289644 / 2
LCM(5402,5422) = 14644822

Least Common Multiple (LCM) of 5402 and 5422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5402 and 5422. First we will calculate the prime factors of 5402 and 5422.

Prime Factorization of 5402

Prime factors of 5402 are 2, 37, 73. Prime factorization of 5402 in exponential form is:

5402 = 21 × 371 × 731

Prime Factorization of 5422

Prime factors of 5422 are 2, 2711. Prime factorization of 5422 in exponential form is:

5422 = 21 × 27111

Now multiplying the highest exponent prime factors to calculate the LCM of 5402 and 5422.

LCM(5402,5422) = 21 × 371 × 731 × 27111
LCM(5402,5422) = 14644822