What is the Least Common Multiple of 65646 and 65661?
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 65646 and 65661 is 1436794002.
LCM(65646,65661) = 1436794002
Least Common Multiple of 65646 and 65661 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65646 and 65661, than apply into the LCM equation.
GCF(65646,65661) = 3
LCM(65646,65661) = ( 65646 × 65661) / 3
LCM(65646,65661) = 4310382006 / 3
LCM(65646,65661) = 1436794002
Least Common Multiple (LCM) of 65646 and 65661 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 65646 and 65661. First we will calculate the prime factors of 65646 and 65661.
Prime Factorization of 65646
Prime factors of 65646 are 2, 3, 7, 521. Prime factorization of 65646 in exponential form is:
65646 = 21 × 32 × 71 × 5211
Prime Factorization of 65661
Prime factors of 65661 are 3, 43, 509. Prime factorization of 65661 in exponential form is:
65661 = 31 × 431 × 5091
Now multiplying the highest exponent prime factors to calculate the LCM of 65646 and 65661.
LCM(65646,65661) = 21 × 32 × 71 × 5211 × 431 × 5091
LCM(65646,65661) = 1436794002
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