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What is the Least Common Multiple of 74642 and 74661?

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 74642 and 74661 is 5572846362.

LCM(74642,74661) = 5572846362

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Least Common Multiple of 74642 and 74661 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74642 and 74661, than apply into the LCM equation.

GCF(74642,74661) = 1
LCM(74642,74661) = ( 74642 × 74661) / 1
LCM(74642,74661) = 5572846362 / 1
LCM(74642,74661) = 5572846362

Least Common Multiple (LCM) of 74642 and 74661 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74642 and 74661. First we will calculate the prime factors of 74642 and 74661.

Prime Factorization of 74642

Prime factors of 74642 are 2, 37321. Prime factorization of 74642 in exponential form is:

74642 = 21 × 373211

Prime Factorization of 74661

Prime factors of 74661 are 3, 41, 607. Prime factorization of 74661 in exponential form is:

74661 = 31 × 411 × 6071

Now multiplying the highest exponent prime factors to calculate the LCM of 74642 and 74661.

LCM(74642,74661) = 21 × 373211 × 31 × 411 × 6071
LCM(74642,74661) = 5572846362