Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {29, 17, 11, 19, 7, 9} → ______
- Prime numbers in {9, 3, 21, 13, 5, 27} → ______
- Prime numbers in {9, 3, 12, 23, 19, 21} → ______
- Prime numbers in {12, 9, 2, 23, 21, 3} → ______
- Prime numbers in {8, 23, 9, 27, 15, 29} → ______
- Prime numbers in {9, 11, 15, 12, 29, 5} → ______
- Prime numbers in {27, 15, 11, 25, 5, 7} → ______
- Prime numbers in {25, 9, 21, 13, 2, 12} → ______
- Prime numbers in {8, 19, 27, 3, 9, 29} → ______
- Prime numbers in {29, 9, 8, 19, 5, 7} → ______
- Prime numbers in {15, 8, 19, 29, 5, 17} → ______
- Prime numbers in {11, 12, 19, 23, 25, 5} → ______
- Prime numbers in {17, 21, 5, 12, 11, 15} → ______
- Prime numbers in {12, 17, 13, 25, 19, 15} → ______
- Prime numbers in {17, 29, 7, 21, 25, 23} → ______
- Prime numbers in {12, 27, 8, 15, 2, 21} → ______
- Prime numbers in {19, 29, 17, 23, 3, 9} → ______
- Prime numbers in {17, 3, 5, 9, 15, 19} → ______
- Prime numbers in {8, 13, 27, 11, 19, 7} → ______
- Prime numbers in {29, 8, 23, 19, 12, 17} → ______