Least Common Multiple of 840, 280
Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Use the LCM of two or more numbers Calculator to find the Least Common Multiple of numbers 840, 280 i.e. 840 smallest integer divisible by all numbers.
Least common multiple (LCM) of 840, 280 is 840.
LCM(840, 280) = 840
LCM of 840, 280
Least common multiple or lowest common denominator (lcd) can be calculated in three ways
- Least Common Multiple of 840, 280 by common division method
- Least Common Multiple of 840, 280 with GCF Formula
Least Common Multiple (LCM) of 840,280 is 840
| 2 | 840, 280 |
| 2 | 420, 140 |
| 2 | 210, 70 |
| 5 | 105, 35 |
| 7 | 21, 7 |
| 3, 1 |
∴ So the LCM of the given numbers is 2 x 2 x 2 x 5 x 7 x 3 x 1 = 840
The formula of LCM is LCM(a1,a2,a3....,an) = ( a1 × a2 × a3 × .... × an) / GCF(a1,a2,a3....,an) x common factors(if more than 2 numbers have common factors).
We need to calculate greatest common factor of 840,280 and common factors if more than two numbers have common factor, than apply into the LCM equation.
GCF(840,280) = 280
common factors(in case of two or more numbers have common factors) = 1
GCF(840,280) x common factors =280 x 1 = 280
LCM(840,280) = ( 840 × 280 ) / 280
LCM(840,280) = 235200 / 280
LCM(840,280) = 840
∴ Least Common Multiple of 840,280 is 840
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Frequently Asked Questions on LCM of 840, 280
1. What is the LCM of 840, 280?
Answer: LCM of 840, 280 is 840.
2. What are the Factors of 840?
Answer: Factors of 840 are . There are integers that are factors of 840
3. How to Find the LCM of 840, 280 ?
Least Common Multiple of 840, 280.
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors with last row quotient of common division that is LCM(840, 280) = 2 x 2 x 2 x 3 x 5 x 7 = 840.