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7x3 = 21

All numbers from 1-400 (399 total) that are factors of 21:

399/21 = 19

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Q: How many numbers between 1 and 400 divisible by 3 or 7?
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Related questions

How many numbers between 400 and 600 are divisible by nine?

There are 22 numbers between 400 and 600 that are divisible by nine.


How many numbers between 1-400 are divisible by 7?

400 / 7 = 57, so there are 57 multiples of 7 under 400.


How mang numbers between 1 and 400 are divisible by 7?

57 of them.


How may numbers between 1 and 400 are divisible by 7?

400 divided by 7 is 57. That would be your answer.


What number between 200 and 400 is divisible by 5 and 9?

200/5=40 200/9=22.2 400/5=80 400/9=44.4 They is only 2 numbers. y'all do the rest.


How many numbers between 1 and 400 that is divisible by 7?

400/7 = 57.1 (approx) so there are 57 numbers.400/7 = 57.1 (approx) so there are 57 numbers.400/7 = 57.1 (approx) so there are 57 numbers.400/7 = 57.1 (approx) so there are 57 numbers.


How many numbers are there between 301 and 400 divisible by both 3 and 4?

There are 8 numbers: 312, 324, 336, 348, 360, 372, 384, 396.


How mny numbers between 1 and 400 are divisible by 7?

57, ranging from 7 to 399.


How many numbers between 400 and 800 are divisible by 13?

The first number is 403 and the last number in the series would be 793. There are 31 of them.


How many numbers less than 400 but greater than 10 are divisible by 7?

56 of them.


How many nos between 200 and 400 divisible by 235?

One: 235.


What number between 300 and 400 is divisible by 3 not 2?

There are 17 numbers between 300 and 400 that are divisible by three but not divisible by two. They are: 303, 309, 315, 321, 327, 333, 339, 345, 351, 357, 363, 369, 375, 381, 387, 393 and 399.