How do you find the sum of all the multiples of 3 or 5 below 1000?
here a is 3 or 5 or 15, and n is 999 or 1000 but 999 is best, and then sum multiples of 3: 3((333)∗(333+1)/2)=166833 plus multiples of 5: 5((199)∗(199+1)/2)=99500; and subtract multiples of 15 15((66)+(66+1)/2)=33165 to get 233168.
What is the sum of all 3 digit multiples of 3 or 5?
These are the numbers 0,1,2,3,…,333, all of them multiplied by 3. The first sum is or 166833. You have numbers 0,5,10,15,…,995. These are the numbers 0,1,2,3,…,199, all of them multiplied by 5.
How many integers from 1 to 1000 are either multiples of 3 or multiples of 5?
Answer:- From 1 to 1000, Numbers divisible by 3 = 999/3 = 333. Numbers divisible by 5 = 1000/5 = 200.
What is the sum of 5 multiple of 3?
What is the sum of first five multiples of 3? The first five multiples of 3 are 3, 6, 9, 12, and 15. Hence, the sum of first five multiples of 3 is 45.
What is the multiple of 3 and 5?
Step 1: List a few multiples of 3 (3, 6, 9, 12, 15, 18, 21, . . . ) and 5 (5, 10, 15, 20, 25, 30, 35, . . . . ) Step 2: The common multiples from the multiples of 3 and 5 are 15, 30, . . . Step 3: The smallest common multiple of 3 and 5 is 15.
What are multiples of 3 or 5?
15 and 30 are common multiples of 3 and 5. Any two numbers have an infinite amount of common multiples. A trick to find common multiples for two numbers is to multiply the two numbers together and find the multiples of that number.
How many multiples of both 3 and 5 are there from numbers 1 to 150?
10 multiples
∴ There are 10 multiples of both 3 and 5 between 1 and 150.
How many numbers are multiples of both 3 and 5 in the first 100 natural numbers?
Answer: The number of numbers which are multiples of both 3 and 5 in the first 100 natural numbers is 47 numbers.
What is the sum of the multiples of 3 between 1 and 100?
2 + 99 = 101. 3 + 98 = 101.
What are the common multiples of 3 and 5 between 1 and 100?
Next, list the multiples of 5: 5,10,15,20,25,30,35,40… Now, the numbers common to both lists are: 15,30. The smallest positive integer on the list is the least common multiple. This is sometimes abbreviated as “LCM.” 15 and 30 are common multiples of 3 and 5.
What is the sum of first five factors of the number three?
45
Hence, the sum of the first five multiples of 3 is 45.
