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What is the Least Common Multiple of 42220 and 42233?

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 42220 and 42233 is 1783077260.

LCM(42220,42233) = 1783077260

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Least Common Multiple of 42220 and 42233 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42220 and 42233, than apply into the LCM equation.

GCF(42220,42233) = 1
LCM(42220,42233) = ( 42220 × 42233) / 1
LCM(42220,42233) = 1783077260 / 1
LCM(42220,42233) = 1783077260

Least Common Multiple (LCM) of 42220 and 42233 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42220 and 42233. First we will calculate the prime factors of 42220 and 42233.

Prime Factorization of 42220

Prime factors of 42220 are 2, 5, 2111. Prime factorization of 42220 in exponential form is:

42220 = 22 × 51 × 21111

Prime Factorization of 42233

Prime factors of 42233 are 157, 269. Prime factorization of 42233 in exponential form is:

42233 = 1571 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 42220 and 42233.

LCM(42220,42233) = 22 × 51 × 21111 × 1571 × 2691
LCM(42220,42233) = 1783077260