What is the Least Common Multiple of 39740 and 39748?
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 39740 and 39748 is 394896380.
LCM(39740,39748) = 394896380
Least Common Multiple of 39740 and 39748 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39740 and 39748, than apply into the LCM equation.
GCF(39740,39748) = 4
LCM(39740,39748) = ( 39740 × 39748) / 4
LCM(39740,39748) = 1579585520 / 4
LCM(39740,39748) = 394896380
Least Common Multiple (LCM) of 39740 and 39748 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 39740 and 39748. First we will calculate the prime factors of 39740 and 39748.
Prime Factorization of 39740
Prime factors of 39740 are 2, 5, 1987. Prime factorization of 39740 in exponential form is:
39740 = 22 × 51 × 19871
Prime Factorization of 39748
Prime factors of 39748 are 2, 19, 523. Prime factorization of 39748 in exponential form is:
39748 = 22 × 191 × 5231
Now multiplying the highest exponent prime factors to calculate the LCM of 39740 and 39748.
LCM(39740,39748) = 22 × 51 × 19871 × 191 × 5231
LCM(39740,39748) = 394896380
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Related Least Common Multiples of 39748
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