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Q: What are the multiples of 3 5 and7?

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42,84,126

3, 6, 9 and so on. 5, 10, 15 and so on. 7, 14, 21 and so on. Common multiples include, 105, 210, 315 and so on.

105

420

There is an infinite number of common multiples for 3 and 7. A common multiple of any two or more numbers is any number into which each of two or more numbers can be divided evenly (zero remainder).

The Highest Common Factor is 1

First, we need to fin the LCM of 2, 5, and 7, wich is 70. So that all the multiples of 70 are all common multiples of 2, 5, and 7 such that: 70 x 1 70 x 2 70 x 3 70 x 4 . . .

Common multiples of 3 and 5 include any multiple of 15. Multiples of 3/5 are 3/5, 6/5, 9/5, 12/5 and so on.

What are 2 multiples that 3 and 5 have in common

3,6,9,12,15,18,21,24,27,30,33,36,39,42are multiples of 3 5,10,15,20,25,30,35,40,45,50,55,60,65,are multiples of 5

Their product.

21

2, 3 and 5 go into multiples of 30.

210

The first 5 multiples of 3 are as follows: 3, 6, 9, 12, 15

The first 3 multiples of 5 are: 5, 10, and 15.The first 3 multiples of 14 are: 14, 28, and 42.

42

There are 33 multiples of 3there are 6 multiples of 3 and 5 = 15So the answer is 33 - 6 = 27 of them.There are 33 multiples of 3there are 6 multiples of 3 and 5 = 15So the answer is 33 - 6 = 27 of them.There are 33 multiples of 3there are 6 multiples of 3 and 5 = 15So the answer is 33 - 6 = 27 of them.There are 33 multiples of 3there are 6 multiples of 3 and 5 = 15So the answer is 33 - 6 = 27 of them.

35

There are three numbers between 10 and 50 which are divisible by both 3 and 5. All numbers that are multiples of 3 and 5 are the multiples of the lowest common multiples (lcm) of 3 and 5 which is 15. The multiples of 15 between 10 and 50 are {15, 30 and 45}, thus there are 3 numbers.

The 3 first multiples of 75 are: 1, 3, and 5.

Since both 3 and 5 are prime numbers, only numbers that are multiples of its product are the numbers that are divisible by both. 15 is the LCM of 3 and 5 and hence all multiples of 15 are divisible by both 3 and 5

first multiples of 2 are 2,4,6 then for 3 3,6,9 for 5 is 5,10,15

Multiples of 12: 1, 2, 3, 4, 6, 12 Multiples of 5: 1, 5

There are 30 two-digit multiples of 3 plus 18 two-digit multiples of 5 minus 6 two-digit multiples of both. Answer: 42