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What is the Least Common Multiple of 74210 and 74218?

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 74210 and 74218 is 2753858890.

LCM(74210,74218) = 2753858890

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Least Common Multiple of 74210 and 74218 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74210 and 74218, than apply into the LCM equation.

GCF(74210,74218) = 2
LCM(74210,74218) = ( 74210 × 74218) / 2
LCM(74210,74218) = 5507717780 / 2
LCM(74210,74218) = 2753858890

Least Common Multiple (LCM) of 74210 and 74218 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74210 and 74218. First we will calculate the prime factors of 74210 and 74218.

Prime Factorization of 74210

Prime factors of 74210 are 2, 5, 41, 181. Prime factorization of 74210 in exponential form is:

74210 = 21 × 51 × 411 × 1811

Prime Factorization of 74218

Prime factors of 74218 are 2, 43, 863. Prime factorization of 74218 in exponential form is:

74218 = 21 × 431 × 8631

Now multiplying the highest exponent prime factors to calculate the LCM of 74210 and 74218.

LCM(74210,74218) = 21 × 51 × 411 × 1811 × 431 × 8631
LCM(74210,74218) = 2753858890