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