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These are always difficult for me; I always end up using trial and error. In this particular case, here is a way to get 39 out 1, 2, 3 and 4:

42 - 31

If you are not allowed to use exponents, then there is:

31 + 4 * 2

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12y ago

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Related Questions

What number times another number makes 39?

The only numbers that multiply to get a product of 39 are 1 and 39, or 3 and 13.


What goes into 25 and 39?

Only the number 1.


What number goes into both 39 and 8?

Only the number one. Factors of 39 - 1, 3, 13 and 39. Factors of 8 - 1, 2, 4 and 8.


What number goes into 13 and 39?

only 1 or 1313 is a prime number


What is 39 composite or prime number?

39 is composite... --------------------- A prime number is a whole number greater than 1, whose only two whole-number factors are 1 and itself.


How do you make 39 using only the numbers 1 2 3 and 4.?

two that make 39 their difference is 11


Is 39 a factor of 43?

No, 39 is not a factor of 43. Since 43 is a prime number, its only factors are 1 and 43.


Is 39 or one a composite number?

39 is a composite number because it has more than two factors. 1 is neither prime nor composite because it has only 1 factor.


What is the multiplicative inverse of 39?

The multiplicative inverse of a number is another number that, when multiplied together, results in 1. For the number 39, its multiplicative inverse is ( \frac{1}{39} ). This means that ( 39 \times \frac{1}{39} = 1 ).


Is 39 a composite number or a prime number?

39 would be a composite number because not only does it have 1 as a factor but it has 13 and 3 because 13*3 39 is a composite number. Other than itself and 1, its other positive integer factors are 3 and 13.


How do you make 39 using only 1 2 3 4 you can only use each number once?

1+2+3^2*4 ^ means square, i.e. 3*3 Hope it's correct!


What are the common numbers for 24 and 39 that's a 2 digget number?

The only common factors of 24 and 39 are 1 and 3.