caption: Two prime numbers that are separated by just one composite number.
exif: {"Image DocumentName": "Two prime numbers that are separated by just one composite number.", "Image ImageDescription": "twin primes. 3 and 5 are twin primes, because they are. separated by the. composite number 4. Two prime numbers that are separated by just one composite number.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}