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What is the Least Common Multiple of 2414 and 2420?

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 2414 and 2420 is 2920940.

LCM(2414,2420) = 2920940

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Least Common Multiple of 2414 and 2420 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2414 and 2420, than apply into the LCM equation.

GCF(2414,2420) = 2
LCM(2414,2420) = ( 2414 × 2420) / 2
LCM(2414,2420) = 5841880 / 2
LCM(2414,2420) = 2920940

Least Common Multiple (LCM) of 2414 and 2420 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2414 and 2420. First we will calculate the prime factors of 2414 and 2420.

Prime Factorization of 2414

Prime factors of 2414 are 2, 17, 71. Prime factorization of 2414 in exponential form is:

2414 = 21 × 171 × 711

Prime Factorization of 2420

Prime factors of 2420 are 2, 5, 11. Prime factorization of 2420 in exponential form is:

2420 = 22 × 51 × 112

Now multiplying the highest exponent prime factors to calculate the LCM of 2414 and 2420.

LCM(2414,2420) = 22 × 171 × 711 × 51 × 112
LCM(2414,2420) = 2920940