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What is the Least Common Multiple of 74780 and 74796?

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 74780 and 74796 is 1398311220.

LCM(74780,74796) = 1398311220

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Least Common Multiple of 74780 and 74796 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74780 and 74796, than apply into the LCM equation.

GCF(74780,74796) = 4
LCM(74780,74796) = ( 74780 × 74796) / 4
LCM(74780,74796) = 5593244880 / 4
LCM(74780,74796) = 1398311220

Least Common Multiple (LCM) of 74780 and 74796 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74780 and 74796. First we will calculate the prime factors of 74780 and 74796.

Prime Factorization of 74780

Prime factors of 74780 are 2, 5, 3739. Prime factorization of 74780 in exponential form is:

74780 = 22 × 51 × 37391

Prime Factorization of 74796

Prime factors of 74796 are 2, 3, 23, 271. Prime factorization of 74796 in exponential form is:

74796 = 22 × 31 × 231 × 2711

Now multiplying the highest exponent prime factors to calculate the LCM of 74780 and 74796.

LCM(74780,74796) = 22 × 51 × 37391 × 31 × 231 × 2711
LCM(74780,74796) = 1398311220