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What is the Least Common Multiple of 74222 and 74242?

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 74222 and 74242 is 2755194862.

LCM(74222,74242) = 2755194862

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Least Common Multiple of 74222 and 74242 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74222 and 74242, than apply into the LCM equation.

GCF(74222,74242) = 2
LCM(74222,74242) = ( 74222 × 74242) / 2
LCM(74222,74242) = 5510389724 / 2
LCM(74222,74242) = 2755194862

Least Common Multiple (LCM) of 74222 and 74242 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74222 and 74242. First we will calculate the prime factors of 74222 and 74242.

Prime Factorization of 74222

Prime factors of 74222 are 2, 17, 37, 59. Prime factorization of 74222 in exponential form is:

74222 = 21 × 171 × 371 × 591

Prime Factorization of 74242

Prime factors of 74242 are 2, 7, 5303. Prime factorization of 74242 in exponential form is:

74242 = 21 × 71 × 53031

Now multiplying the highest exponent prime factors to calculate the LCM of 74222 and 74242.

LCM(74222,74242) = 21 × 171 × 371 × 591 × 71 × 53031
LCM(74222,74242) = 2755194862