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What is the Least Common Multiple of 74782 and 74802?

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 74782 and 74802 is 2796921582.

LCM(74782,74802) = 2796921582

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Least Common Multiple of 74782 and 74802 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74782 and 74802, than apply into the LCM equation.

GCF(74782,74802) = 2
LCM(74782,74802) = ( 74782 × 74802) / 2
LCM(74782,74802) = 5593843164 / 2
LCM(74782,74802) = 2796921582

Least Common Multiple (LCM) of 74782 and 74802 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74782 and 74802. First we will calculate the prime factors of 74782 and 74802.

Prime Factorization of 74782

Prime factors of 74782 are 2, 139, 269. Prime factorization of 74782 in exponential form is:

74782 = 21 × 1391 × 2691

Prime Factorization of 74802

Prime factors of 74802 are 2, 3, 7, 13, 137. Prime factorization of 74802 in exponential form is:

74802 = 21 × 31 × 71 × 131 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 74782 and 74802.

LCM(74782,74802) = 21 × 1391 × 2691 × 31 × 71 × 131 × 1371
LCM(74782,74802) = 2796921582