İki, dört, altı ve sekiz çift sayıdırlar.
- Two, four, six and eight are even numbers.
Her çift sayı iki asal sayının toplamıdır.
- Every even number is the sum of two primes.
Twelve is an even number.
- 12 ist eine gerade Zahl.
Every even number is the sum of two primes.
- Jede gerade Zahl ist die Summe zweier Primzahlen.