What is the Least Common Multiple of 6475 and 6491?
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 6475 and 6491 is 42029225.
LCM(6475,6491) = 42029225
Least Common Multiple of 6475 and 6491 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6475 and 6491, than apply into the LCM equation.
GCF(6475,6491) = 1
LCM(6475,6491) = ( 6475 × 6491) / 1
LCM(6475,6491) = 42029225 / 1
LCM(6475,6491) = 42029225
Least Common Multiple (LCM) of 6475 and 6491 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 6475 and 6491. First we will calculate the prime factors of 6475 and 6491.
Prime Factorization of 6475
Prime factors of 6475 are 5, 7, 37. Prime factorization of 6475 in exponential form is:
6475 = 52 × 71 × 371
Prime Factorization of 6491
Prime factors of 6491 are 6491. Prime factorization of 6491 in exponential form is:
6491 = 64911
Now multiplying the highest exponent prime factors to calculate the LCM of 6475 and 6491.
LCM(6475,6491) = 52 × 71 × 371 × 64911
LCM(6475,6491) = 42029225
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