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What is the Least Common Multiple of 3400 and 3419?

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 3400 and 3419 is 11624600.

LCM(3400,3419) = 11624600

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Least Common Multiple of 3400 and 3419 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3400 and 3419, than apply into the LCM equation.

GCF(3400,3419) = 1
LCM(3400,3419) = ( 3400 × 3419) / 1
LCM(3400,3419) = 11624600 / 1
LCM(3400,3419) = 11624600

Least Common Multiple (LCM) of 3400 and 3419 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3400 and 3419. First we will calculate the prime factors of 3400 and 3419.

Prime Factorization of 3400

Prime factors of 3400 are 2, 5, 17. Prime factorization of 3400 in exponential form is:

3400 = 23 × 52 × 171

Prime Factorization of 3419

Prime factors of 3419 are 13, 263. Prime factorization of 3419 in exponential form is:

3419 = 131 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 3400 and 3419.

LCM(3400,3419) = 23 × 52 × 171 × 131 × 2631
LCM(3400,3419) = 11624600