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