2 and 17
Prime numbers go on forever.
127 prime numbers in that range. See related link for prime numbers up to 10000. Plus there is a link to download Zip files of prime numbers up to 1 million.
83, 3,and 2 are prime numbers which add up to 88.
137 and 11 are two prime numbers that add up to 148.
54 and 54
If by "equal up" you mean add up, there are at least two answers: (3, 7, 13, 31) and (5, 7, 11, 31).
the prime numbers that equal 168 is 2*2*2*3*7 and also Here is a table of all prime numbers up to 1,000:2357111317192329313741434753596167717379838997101103107109113127131137139149151157163167173179181191193197199211223227229233239241251257263269271277281283293307311313317331337347349353359367373379383389397401409419421431433439443449457461463467479487491499503509521523541547557563569571577587593599601607613617619631641643647653659661673677683691701709719727733739743751757761769773787797809811821823827829839853857859863877881883887907911919929937941947953967971977983991997
31 and 2
67 and 5
2 and 17
As a product of its prime factors: 2*3*13 = 78
29
Not really. You just have to try different numbers. As to patterns, the probability of finding a prime goes down for higher numbers. The number of prime numbers up to a number "n" is roughly equal to n / ln(n), where ln() is the natural logarithm function.
There are 15 prime numbers up to 50.
The two prime numbers that add up to 19 are 7 and 12. Prime numbers are numbers greater than 1 that can only be divided by 1 and themselves. In this case, 7 and 12 are not prime numbers, and there are no two prime numbers that add up to 19.
Prime numbers are infinite.