Least common multiple (LCM)
- Step by Step Solution. Least Common Multiple is : 315. Calculate Least Common Multiple for : 9, 15 and 21. Factorize of the above numbers : 9 = 32 15 = 3 • 5.
- Why learn this.
- Terms and topics. LCM calculator.
- Related links. LCM on Purplemath. LCM on Math.com. LCM on The School Run. LCM for Dummies.
What is the LCM of 6 9 15 and 21?
630
The least common multiple of 6, 9, 15 and 21 is 630.What is the LCM of 14 18 and 21?
The least common multiple 126 is a product of common & odd prime factors between the integers which is divisible by each one an integer of this same group. The step by step work for LCM of 14, 18 and 21 may useful to understand how to find LCM for two or three numbers.
How to find the least common multiple of 15 and 21?
The formula of LCM is LCM (a,b) = ( a × b) / GCF (a,b). We need to calculate greatest common factor 15 and 21, than apply into the LCM equation. Least common multiple can be found by multiplying the highest exponent prime factors of 15 and 21. First we will calculate the prime factors of 15 and 21. Prime factors of 15 are 3, 5.
What is the lowest common multiple of 9 and 15?
Least common multiple (LCM) of 9 and 15 is 45. LCM(9,15) = 45. 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.
How to calculate the LCM of 15 and 21?
Prime factorization of 21 in exponential form is: 21 = 3 1 × 7 1 Now multiplying the highest exponent prime factors to calculate the LCM of 15 and 21. LCM (15,21) = 3 1 × 5 1 × 7 1
Which is the least common multiple in this calculator?
Calculator Use The Least Common Multiple (LCM) is also referred to as the Lowest Common Multiple (LCM) and Least Common Divisor (LCD). For two integers a and b, denoted LCM (a,b), the LCM is the smallest positive integer that is evenly divisible by both a and b. For example, LCM (2,3) = 6 and LCM (6,10) = 30.
