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What is the Least Common Multiple of 730 and 746?

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 730 and 746 is 272290.

LCM(730,746) = 272290

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Least Common Multiple of 730 and 746 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 730 and 746, than apply into the LCM equation.

GCF(730,746) = 2
LCM(730,746) = ( 730 × 746) / 2
LCM(730,746) = 544580 / 2
LCM(730,746) = 272290

Least Common Multiple (LCM) of 730 and 746 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 730 and 746. First we will calculate the prime factors of 730 and 746.

Prime Factorization of 730

Prime factors of 730 are 2, 5, 73. Prime factorization of 730 in exponential form is:

730 = 21 × 51 × 731

Prime Factorization of 746

Prime factors of 746 are 2, 373. Prime factorization of 746 in exponential form is:

746 = 21 × 3731

Now multiplying the highest exponent prime factors to calculate the LCM of 730 and 746.

LCM(730,746) = 21 × 51 × 731 × 3731
LCM(730,746) = 272290