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