###### Asked in Math and ArithmeticFactoring and Multiples

Math and Arithmetic

Factoring and Multiples

# What numbers are both a multiple of 4 and a factor of 40?

## Answer

###### Wiki User

###### June 16, 2015 6:03PM

4, 8, and 20 are multiples of 4 and factors of 40.

## Related Questions

###### Asked in Factoring and Multiples

### What is the least common multiple of 8 and 10?

The LCM of 8 and 10 is: 40
Start by showing some multiples of both numbers:
Multiples of 8: 8, 16, 24, 32, 40, 48, ...
Multiples of 10: 10, 20, 30, 40, 50, ...
The lowest common multiple is the lowest multiple that these two
numbers have in common, making 40 the lowest common multiple in
this case.
Another way of doing this is to factor both of the numbers and
multiply factors (skipping redundancies):
8: 2, 4
10: 2, 5
2*4*5 = 40
The LCM is 40.

###### Asked in Math and Arithmetic, Factoring and Multiples

### Is 30 the least common multiple of 48 an 60?

No. The least common multiple is the number of the smallest
positive integer that is a multiple of both numbers.
Example: 8 and 6. the Multiples of 8 are 8, 16, 24, 32,
40, 48...
The multiples of 6 are 6, 12, 18, 24, 30, 36, 40, 46...
These numbers have common multiples of both 24 and
40, so the "least" common multiple would be 24. The least
common multiple of two numbers will never be less than either
number.

###### Asked in Algebra, Factoring and Multiples

### What is the greatest common factor that two numbers between 40 and 50 can have?

The greatest common factor that is possible for two numbers
between 40 and 50 would be 10 if both 40 and 50 are allowed, since
50 - 40 = 10. If only the numbers from 41 to 49 are allowed, the
difference is 8, so 8 would be the largest possible common factor,
but neither 41 nor 49 are divisible by 8, so that situation does
not exist. However, 42 and 49 are both divisible by 7, which is
their greatest common factor.