What is the Least Common Multiple of 653 and 671?
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 653 and 671 is 438163.
LCM(653,671) = 438163
Least Common Multiple of 653 and 671 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 653 and 671, than apply into the LCM equation.
GCF(653,671) = 1
LCM(653,671) = ( 653 × 671) / 1
LCM(653,671) = 438163 / 1
LCM(653,671) = 438163
Least Common Multiple (LCM) of 653 and 671 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 653 and 671. First we will calculate the prime factors of 653 and 671.
Prime Factorization of 653
Prime factors of 653 are 653. Prime factorization of 653 in exponential form is:
653 = 6531
Prime Factorization of 671
Prime factors of 671 are 11, 61. Prime factorization of 671 in exponential form is:
671 = 111 × 611
Now multiplying the highest exponent prime factors to calculate the LCM of 653 and 671.
LCM(653,671) = 6531 × 111 × 611
LCM(653,671) = 438163
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