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To work it out for yourself, you need to understand that a prime number is a number than can only be divided by 1 and itself.
18 can be divided by 2
39 can be divided by 3
42 can be divided by 2
which leaves 31 which can only be divided by 1 and 31.
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∙ 10y ago
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How do you make 39 with 1 2 3 4?
One solution is, 31 + (2 x 4) = 31 + 8 = 39 Another is, 42 - (1 x 3) = 42 - 3 = 39
What are the prime numbers between 30 and 42?
31 37 41.
What are the prime factors of 39 and 52?
The factors of 39 are: 1 3 13 39 The prime factors are: 3 and 13
What is 39 percent of 42?
39% of 42 = 42*39/100 = 16.38
Write 42 as a sum of two prime numbers?
37 + 5 31 + 11
Is 39 and 42 prime numbers?
No, they are both composite.
How do you make 39 with 1 2 3 4?
One solution is, 31 + (2 x 4) = 31 + 8 = 39 Another is, 42 - (1 x 3) = 42 - 3 = 39
What is the prime factorization in exponential form for the number 42?
It is: 21*31*71 = 42
Are 39 42 and 72 relatively prime?
No they have common factor of 3
What is 31 over 42 in simplest form?
no answer 31 is a prime number so no reduction possible
What are the prime numbers between 30 and 42?
31 37 41.
What are the prime factors of 39 and 52?
The factors of 39 are: 1 3 13 39 The prime factors are: 3 and 13
Is 17 50 77 43 42 39 23 37 prime or composite?
Primes: 17 43 23 and 37 Composites: 50 77 42 and 39
What is 39 percent of 42?
39% of 42 = 42*39/100 = 16.38
Are 15 20 24 33 39 42 47 and 53 composite or prime?
47 and 53 are prime. The rest are composite.
What are the prime numbers between 20 and 42?
23, 29, 31, 37, 41
What are all the prime numbers from 20 to 42?
23 29 31 37 41.
