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 {9, 8, 15, 3, 21, 2} → ______
- Prime numbers in {17, 9, 25, 19, 21, 13} → ______
- Prime numbers in {17, 7, 2, 11, 15, 12} → ______
- Prime numbers in {23, 7, 13, 21, 17, 11} → ______
- Prime numbers in {29, 15, 25, 11, 8, 2} → ______
- Prime numbers in {3, 23, 17, 29, 5, 9} → ______
- Prime numbers in {25, 12, 11, 8, 7, 27} → ______
- Prime numbers in {25, 3, 15, 5, 17, 2} → ______
- Prime numbers in {15, 21, 23, 19, 12, 2} → ______
- Prime numbers in {19, 3, 5, 2, 11, 9} → ______
- Prime numbers in {8, 9, 3, 27, 11, 17} → ______
- Prime numbers in {29, 5, 7, 25, 21, 19} → ______
- Prime numbers in {11, 5, 27, 2, 9, 17} → ______
- Prime numbers in {29, 15, 27, 5, 21, 8} → ______
- Prime numbers in {29, 8, 12, 23, 3, 15} → ______
- Prime numbers in {7, 25, 8, 21, 23, 2} → ______
- Prime numbers in {25, 12, 13, 17, 9, 8} → ______
- Prime numbers in {25, 2, 23, 29, 11, 3} → ______
- Prime numbers in {12, 17, 11, 7, 27, 29} → ______
- Prime numbers in {17, 19, 2, 11, 27, 12} → ______