memtest86 test Failed due to "too many errors" - is it the CPU or RAM?

[toshi2k2]

I ran the memetest and it aborted around test 5 due to 'TOO MANY ERRORS' - is there a way I can make sure if its is the RAM or CPU/Motherboard?

Test Start Time	2021-04-03 23:15:07
Elapsed Time	0:10:04
Memory Range Tested	0x0 - 830000000 (33536MB)
CPU Selection Mode	Parallel (All CPUs)
CPU Temperature Min/Max/Ave	33C/40C/35C
RAM Temperature Min/Max/Ave	-/-/-
# Tests Passed	2/5 (40%)

Lowest Error Address	0x35463C4 (53MB)
Highest Error Address	0x7A3016AB8 (31280MB)
Bits in Error Mask	000000FFFFFF00FF
Bits in Error	32
Max Contiguous Errors	2
CPUs in Error	0, 2, 4, 6, 8, 10, 12, 14

Test	# Tests Passed	Errors
Test 0 [Address test, walking ones, 1 CPU]	1/1 (100%)	0
Test 1 [Address test, own address, 1 CPU]	1/1 (100%)	0
Test 2 [Address test, own address]	0/1 (0%)	96
Test 3 [Moving inversions, ones & zeroes]	0/1 (0%)	1606
Test 4 [Moving inversions, 8-bit pattern]	0/1 (0%)	4512
Test 5 [Moving inversions, random pattern]	0/0 (0%)	3846
Test 6 [Block move, 64-byte blocks]	0/0 (0%)	0
Test 7 [Moving inversions, 32-bit pattern]	0/0 (0%)	0
Test 8 [Random number sequence]	0/0 (0%)	0
Test 9 [Modulo 20, ones & zeros]	0/0 (0%)	0
Test 10 [Bit fade test, 2 patterns, 1 CPU]	0/0 (0%)	0
Test 13 [Hammer test]	0/0 (0%)	0

[David (PassMark)]

See this page to start with.
https://www.memtest86.com/troubleshooting.htm

It might take some trail and error to narrow down the problem.