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What is the Least Common Multiple of 4223 and 4242?

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 4223 and 4242 is 17913966.

LCM(4223,4242) = 17913966

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Least Common Multiple of 4223 and 4242 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4223 and 4242, than apply into the LCM equation.

GCF(4223,4242) = 1
LCM(4223,4242) = ( 4223 × 4242) / 1
LCM(4223,4242) = 17913966 / 1
LCM(4223,4242) = 17913966

Least Common Multiple (LCM) of 4223 and 4242 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4223 and 4242. First we will calculate the prime factors of 4223 and 4242.

Prime Factorization of 4223

Prime factors of 4223 are 41, 103. Prime factorization of 4223 in exponential form is:

4223 = 411 × 1031

Prime Factorization of 4242

Prime factors of 4242 are 2, 3, 7, 101. Prime factorization of 4242 in exponential form is:

4242 = 21 × 31 × 71 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 4223 and 4242.

LCM(4223,4242) = 411 × 1031 × 21 × 31 × 71 × 1011
LCM(4223,4242) = 17913966