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